Environment

Dust that swept Europe in February affects weather systems but also contains many allergens

One of the main characters on Twitter today is the pink-necked green-pigeon, a photo of which went viral overnight. Yes, it’s real. Yes, it’s stunning

Much has changed along the hundreds of miles of devastated coastline and the recovery is gathering pace

• After the wave: a decade of grieving for a daughter lost to the tsunami

African swine fever led to mass cull of pigs in China and may have increased human-virus contact as people turned to other meat

• Coronavirus – latest updates
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Concerns over carbon emissions and food crises are fuelling a move away from meat consumption as a symbol of wealth

Nature-rich sites such as woods and wetlands more valuable because of the ‘ecosystem services’ they provide

David Morris encounters rare optical illusion known as superior mirage while out on coastal stroll

Image unexpectedly shows light and dark features, including Aphrodite Terra, a highland area near planet’s equator

Toxic particles spewed by wildfires resulted in 10 times as many respiratory-illness related hospitalizations as other types of pollution, researchers found