diff --git a/core/assets/planets/TODO.dat b/core/assets/planets/TODO.dat
index e8220fa481..eb42302979 100644
Binary files a/core/assets/planets/TODO.dat and b/core/assets/planets/TODO.dat differ
diff --git a/core/src/mindustry/content/Weathers.java b/core/src/mindustry/content/Weathers.java
index 9c3a16ea44..d5b7699076 100644
--- a/core/src/mindustry/content/Weathers.java
+++ b/core/src/mindustry/content/Weathers.java
@@ -11,6 +11,7 @@ import mindustry.ctype.*;
 import mindustry.gen.*;
 import mindustry.type.*;
 import mindustry.world.*;
+import mindustry.world.meta.*;
 
 import static mindustry.Vars.*;
 
@@ -18,7 +19,8 @@ public class Weathers implements ContentList{
     public static Weather
     rain,
     snow,
-    sandstorm;
+    sandstorm,
+    sporestorm;
 
     @Override
     public void load(){
@@ -26,6 +28,10 @@ public class Weathers implements ContentList{
             TextureRegion region;
             float yspeed = 2f, xspeed = 0.25f, padding = 16f, size = 12f, density = 1200f;
 
+            {
+                attrs.set(Attribute.light, -0.15f);
+            }
+
             @Override
             public void load(){
                 super.load();
@@ -69,6 +75,11 @@ public class Weathers implements ContentList{
             float yspeed = 5f, xspeed = 1.5f, padding = 16f, size = 40f, density = 1200f;
             TextureRegion[] splashes = new TextureRegion[12];
 
+            {
+                attrs.set(Attribute.light, -0.2f);
+                attrs.set(Attribute.water, 0.2f);
+            }
+
             @Override
             public void load(){
                 super.load();
@@ -164,6 +175,10 @@ public class Weathers implements ContentList{
             Color color = Color.valueOf("f7cba4");
             Texture noise;
 
+            {
+                attrs.set(Attribute.light, -0.1f);
+            }
+
             @Override
             public void load(){
                 region = Core.atlas.find("circle-shadow");
@@ -229,5 +244,76 @@ public class Weathers implements ContentList{
                 }
             }
         };
+
+        sporestorm = new Weather("sporestorm"){
+            TextureRegion region;
+            float yspeed = 1f, xspeed = 4f, size = 5f, padding = size, invDensity = 2000f;
+            Color color = Color.valueOf("7457ce");
+            Texture noise;
+
+            {
+                attrs.set(Attribute.spores, 0.5f);
+                attrs.set(Attribute.light, -0.1f);
+            }
+
+            @Override
+            public void load(){
+                region = Core.atlas.find("circle-shadow");
+                noise = new Texture("sprites/noiseAlpha.png");
+                noise.setWrap(TextureWrap.repeat);
+                noise.setFilter(TextureFilter.linear);
+            }
+
+            @Override
+            public void dispose(){
+                noise.dispose();
+            }
+
+            @Override
+            public void drawOver(WeatherState state){
+                Draw.alpha(state.opacity * 0.8f);
+                Draw.tint(color);
+
+                float scale = 1f / 2000f;
+                float scroll = Time.time() * scale;
+                Tmp.tr1.setTexture(noise);
+                Core.camera.bounds(Tmp.r1);
+                Tmp.tr1.set(Tmp.r1.x*scale, Tmp.r1.y*scale, (Tmp.r1.x + Tmp.r1.width)*scale, (Tmp.r1.y + Tmp.r1.height)*scale);
+                Tmp.tr1.scroll(-xspeed * scroll, -yspeed * scroll);
+                Draw.rect(Tmp.tr1, Core.camera.position.x, Core.camera.position.y, Core.camera.width, -Core.camera.height);
+
+                rand.setSeed(0);
+                Tmp.r1.setCentered(Core.camera.position.x, Core.camera.position.y, Core.graphics.getWidth() / renderer.minScale(), Core.graphics.getHeight() / renderer.minScale());
+                Tmp.r1.grow(padding);
+                Core.camera.bounds(Tmp.r2);
+                int total = (int)(Tmp.r1.area() / invDensity * state.intensity());
+                Draw.tint(color);
+                float baseAlpha = state.opacity;
+                Draw.alpha(baseAlpha);
+
+                for(int i = 0; i < total; i++){
+                    float scl = rand.random(0.5f, 1f);
+                    float scl2 = rand.random(0.5f, 1f);
+                    float sscl = rand.random(0.5f, 1f);
+                    float x = (rand.random(0f, world.unitWidth()) + Time.time() * xspeed * scl2);
+                    float y = (rand.random(0f, world.unitHeight()) - Time.time() * yspeed * scl);
+                    float alpha = rand.random(0.1f, 0.8f);
+
+                    x += Mathf.sin(y, rand.random(30f, 80f), rand.random(1f, 7f));
+
+                    x -= Tmp.r1.x;
+                    y -= Tmp.r1.y;
+                    x = Mathf.mod(x, Tmp.r1.width);
+                    y = Mathf.mod(y, Tmp.r1.height);
+                    x += Tmp.r1.x;
+                    y += Tmp.r1.y;
+
+                    if(Tmp.r3.setCentered(x, y, size * sscl).overlaps(Tmp.r2)){
+                        Draw.alpha(alpha * baseAlpha);
+                        Fill.circle(x, y, size * sscl / 2f);
+                    }
+                }
+            }
+        };
     }
 }
diff --git a/core/src/mindustry/core/GameState.java b/core/src/mindustry/core/GameState.java
index b006aae76f..b3f5e49213 100644
--- a/core/src/mindustry/core/GameState.java
+++ b/core/src/mindustry/core/GameState.java
@@ -7,6 +7,7 @@ import mindustry.game.*;
 import mindustry.gen.*;
 import mindustry.maps.*;
 import mindustry.type.*;
+import mindustry.world.blocks.*;
 
 import static mindustry.Vars.*;
 
@@ -23,6 +24,8 @@ public class GameState{
     public Rules rules = new Rules();
     /** Statistics for this save/game. Displayed after game over. */
     public Stats stats = new Stats();
+    /** Global attributes of the environment, calculated by weather. */
+    public Attributes envAttrs = new Attributes();
     /** Sector information. Only valid in the campaign. */
     public SectorInfo secinfo = new SectorInfo();
     /** Team data. Gets reset every new game. */
diff --git a/core/src/mindustry/core/Logic.java b/core/src/mindustry/core/Logic.java
index 74f36a3c5a..d8d8f4871a 100644
--- a/core/src/mindustry/core/Logic.java
+++ b/core/src/mindustry/core/Logic.java
@@ -352,6 +352,10 @@ public class Logic implements ApplicationListener{
                     runWave();
                 }
 
+                //apply weather attributes
+                state.envAttrs.clear();
+                Groups.weather.each(w -> state.envAttrs.add(w.weather.attrs, w.opacity));
+
                 Groups.update();
             }
 
diff --git a/core/src/mindustry/editor/WaveGraph.java b/core/src/mindustry/editor/WaveGraph.java
index eb2ac64359..c6e7a9cac6 100644
--- a/core/src/mindustry/editor/WaveGraph.java
+++ b/core/src/mindustry/editor/WaveGraph.java
@@ -139,7 +139,7 @@ public class WaveGraph extends Table{
             for(Mode m : Mode.all){
                 t.button("$wavemode." + m.name(), Styles.fullTogglet, () -> {
                     mode = m;
-                }).group(group).height(32f).update(b -> b.setChecked(m == mode)).width(100f);
+                }).group(group).height(32f).update(b -> b.setChecked(m == mode)).width(130f);
             }
         }).growX();
     }
@@ -201,6 +201,7 @@ public class WaveGraph extends Table{
 
     enum Mode{
         counts, totals, health;
+
         static Mode[] all = values();
     }
 }
diff --git a/core/src/mindustry/entities/comp/BuildingComp.java b/core/src/mindustry/entities/comp/BuildingComp.java
index b9f557fd28..621bad7959 100644
--- a/core/src/mindustry/entities/comp/BuildingComp.java
+++ b/core/src/mindustry/entities/comp/BuildingComp.java
@@ -703,7 +703,11 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
     }
 
     public float getProgressIncrease(float baseTime){
-        return 1f / baseTime * delta() * efficiency();
+        return 1f / baseTime * edelta();
+    }
+
+    public float getDisplayEfficiency(){
+        return getProgressIncrease(1f) / edelta();
     }
 
     /** @return whether this block should play its active sound.*/
diff --git a/core/src/mindustry/type/Sector.java b/core/src/mindustry/type/Sector.java
index d6aab89708..d42560ba9a 100644
--- a/core/src/mindustry/type/Sector.java
+++ b/core/src/mindustry/type/Sector.java
@@ -390,6 +390,8 @@ public class Sector{
         /** Has sandstorms. */
         desert,
         /** Has an enemy base. */
-        base
+        base,
+        /** Has spore weather. */
+        spores
     }
 }
diff --git a/core/src/mindustry/type/Weather.java b/core/src/mindustry/type/Weather.java
index a1d23a0a76..21f3863dcc 100644
--- a/core/src/mindustry/type/Weather.java
+++ b/core/src/mindustry/type/Weather.java
@@ -8,12 +8,14 @@ import mindustry.annotations.Annotations.*;
 import mindustry.ctype.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
+import mindustry.world.blocks.*;
 
 import static mindustry.Vars.renderer;
 
 public abstract class Weather extends MappableContent{
     /** Default duration of this weather event in ticks. */
     public float duration = 15f * Time.toMinutes;
+    public Attributes attrs = new Attributes();
 
     //internals
     public Rand rand = new Rand();
diff --git a/core/src/mindustry/world/blocks/Attributes.java b/core/src/mindustry/world/blocks/Attributes.java
index 487b093314..50c907e218 100644
--- a/core/src/mindustry/world/blocks/Attributes.java
+++ b/core/src/mindustry/world/blocks/Attributes.java
@@ -1,15 +1,51 @@
 package mindustry.world.blocks;
 
+import arc.util.serialization.*;
+import arc.util.serialization.Json.*;
 import mindustry.world.meta.Attribute;
 
-public class Attributes{
-    private float[] array = new float[Attribute.values().length];
+import java.util.*;
+
+public class Attributes implements Serializable{
+    private final float[] arr = new float[Attribute.all.length];
+
+    public void clear(){
+        Arrays.fill(arr, 0);
+    }
 
     public float get(Attribute attr){
-        return array[attr.ordinal()];
+        return arr[attr.ordinal()];
     }
 
     public void set(Attribute attr, float value){
-        array[attr.ordinal()] = value;
+        arr[attr.ordinal()] = value;
+    }
+
+    public void add(Attributes other){
+        for(int i = 0; i < arr.length; i++){
+            arr[i] += other.arr[i];
+        }
+    }
+
+    public void add(Attributes other, float scl){
+        for(int i = 0; i < arr.length; i++){
+            arr[i] += other.arr[i] * scl;
+        }
+    }
+
+    @Override
+    public void write(Json json){
+        for(Attribute at : Attribute.all){
+            if(arr[at.ordinal()] != 0){
+                json.writeValue(at.name(), arr[at.ordinal()]);
+            }
+        }
+    }
+
+    @Override
+    public void read(Json json, JsonValue data){
+        for(Attribute at : Attribute.all){
+            arr[at.ordinal()] = data.getFloat(at.name(), 0);
+        }
     }
 }
diff --git a/core/src/mindustry/world/blocks/power/SolarGenerator.java b/core/src/mindustry/world/blocks/power/SolarGenerator.java
index 2c79557e5d..2ca0030e1e 100644
--- a/core/src/mindustry/world/blocks/power/SolarGenerator.java
+++ b/core/src/mindustry/world/blocks/power/SolarGenerator.java
@@ -1,5 +1,6 @@
 package mindustry.world.blocks.power;
 
+import arc.math.*;
 import arc.struct.*;
 import mindustry.world.meta.*;
 
@@ -23,7 +24,10 @@ public class SolarGenerator extends PowerGenerator{
     public class SolarGeneratorEntity extends GeneratorEntity{
         @Override
         public void updateTile(){
-            productionEfficiency = state.rules.solarPowerMultiplier < 0 ? (state.rules.lighting ? 1f - state.rules.ambientLight.a : 1f) : state.rules.solarPowerMultiplier;
+            productionEfficiency =
+                Mathf.maxZero(Attribute.light.env() + state.rules.solarPowerMultiplier < 0 ?
+                (state.rules.lighting ? 1f - state.rules.ambientLight.a : 1f) :
+                state.rules.solarPowerMultiplier);
         }
     }
 }
diff --git a/core/src/mindustry/world/blocks/power/ThermalGenerator.java b/core/src/mindustry/world/blocks/power/ThermalGenerator.java
index 83d2212eb5..8dd5555690 100644
--- a/core/src/mindustry/world/blocks/power/ThermalGenerator.java
+++ b/core/src/mindustry/world/blocks/power/ThermalGenerator.java
@@ -37,8 +37,12 @@ public class ThermalGenerator extends PowerGenerator{
     }
 
     public class ThermalGeneratorEntity extends GeneratorEntity{
+        public float sum;
+
         @Override
         public void updateTile(){
+            productionEfficiency = sum + attribute.env();
+
             if(productionEfficiency > 0.1f && Mathf.chance(0.05 * delta())){
                 generateEffect.at(x + Mathf.range(3f), y + Mathf.range(3f));
             }
@@ -53,14 +57,7 @@ public class ThermalGenerator extends PowerGenerator{
         public void onProximityAdded(){
             super.onProximityAdded();
 
-            productionEfficiency = sumAttribute(attribute, tile.x, tile.y);
-        }
-
-        @Override
-        public float getPowerProduction(){
-            //in this case, productionEfficiency means 'total heat'
-            //thus, it may be greater than 1.0
-            return powerProduction * productionEfficiency;
+            sum = sumAttribute(attribute, tile.x, tile.y);
         }
     }
 }
diff --git a/core/src/mindustry/world/blocks/production/Cultivator.java b/core/src/mindustry/world/blocks/production/Cultivator.java
index f4587a4a82..cc9efdd8f2 100644
--- a/core/src/mindustry/world/blocks/production/Cultivator.java
+++ b/core/src/mindustry/world/blocks/production/Cultivator.java
@@ -33,7 +33,7 @@ public class Cultivator extends GenericCrafter{
         super.setBars();
         bars.add("multiplier", (CultivatorEntity entity) -> new Bar(() ->
         Core.bundle.formatFloat("bar.efficiency",
-        ((entity.boost + 1f) * entity.warmup) * 100f, 1),
+        ((entity.boost + 1f + attribute.env()) * entity.warmup) * 100f, 1),
         () -> Pal.ammo,
         () -> entity.warmup));
     }
@@ -101,7 +101,7 @@ public class Cultivator extends GenericCrafter{
 
         @Override
         public float getProgressIncrease(float baseTime){
-            return super.getProgressIncrease(baseTime) * (1f + boost);
+            return super.getProgressIncrease(baseTime) * (1f + boost + attribute.env());
         }
 
         @Override
diff --git a/core/src/mindustry/world/blocks/production/SolidPump.java b/core/src/mindustry/world/blocks/production/SolidPump.java
index 422557ff8d..abf531ba2a 100644
--- a/core/src/mindustry/world/blocks/production/SolidPump.java
+++ b/core/src/mindustry/world/blocks/production/SolidPump.java
@@ -120,7 +120,7 @@ public class SolidPump extends Pump{
                 if(canPump(tile)) fraction = 1f;
             }
 
-            fraction += boost;
+            fraction += boost + (attribute == null ? 0 : attribute.env());
             fraction = Math.max(fraction, 0);
 
             if(cons.valid() && typeLiquid() < liquidCapacity - 0.001f){
diff --git a/core/src/mindustry/world/meta/Attribute.java b/core/src/mindustry/world/meta/Attribute.java
index 815f471c9d..07699ba6b3 100644
--- a/core/src/mindustry/world/meta/Attribute.java
+++ b/core/src/mindustry/world/meta/Attribute.java
@@ -1,5 +1,7 @@
 package mindustry.world.meta;
 
+import mindustry.*;
+
 public enum Attribute{
     /** Heat of this block. Used for calculating output of thermal generators. */
     heat,
@@ -8,5 +10,15 @@ public enum Attribute{
     /** Water content of this block. Used for increasing water extractor yield. */
     water,
     /** Oil content of this block. Used for increasing oil extractor yield. */
-    oil
+    oil,
+    /** Light coverage. Negative values decrease solar panel efficiency. */
+    light;
+
+    public static final Attribute[] all = values();
+
+    /** @return the envrionmental value for this attribute. */
+    public float env(){
+        if(Vars.state == null) return 0;
+        return Vars.state.envAttrs.get(this);
+    }
 }
diff --git a/tools/src/mindustry/tools/SectorDataGenerator.java b/tools/src/mindustry/tools/SectorDataGenerator.java
index e0c4828280..deb9b7343b 100644
--- a/tools/src/mindustry/tools/SectorDataGenerator.java
+++ b/tools/src/mindustry/tools/SectorDataGenerator.java
@@ -124,6 +124,7 @@ public class SectorDataGenerator{
                 boolean hasSnow = data.floors[0].name.contains("ice") || data.floors[0].name.contains("snow");
                 boolean hasRain = !hasSnow && data.floors[0].name.contains("water");
                 boolean hasDesert = !hasSnow && !hasRain && data.floors[0].name.contains("sand");
+                boolean hasSpores = data.floors[0].name.contains("spore") || data.floors[0].name.contains("moss") || data.floors[0].name.contains("tainted");
 
                 if(hasSnow){
                     data.attributes |= (1 << SectorAttribute.snowy.ordinal());
@@ -137,6 +138,10 @@ public class SectorDataGenerator{
                     data.attributes |= (1 << SectorAttribute.desert.ordinal());
                 }
 
+                if(hasSpores){
+                    data.attributes |= (1 << SectorAttribute.spores.ordinal());
+                }
+
                 data.resources = content.asArray().sort(Structs.comps(Structs.comparing(Content::getContentType), Structs.comparingInt(c -> c.id))).toArray(UnlockableContent.class);
 
                 //50% water -> naval attribute