Letter

Letters

Letters

Letter

Letters

Letters

Letters

British Butterfly adapts to climate change by migrating north, changing diet

Study finds newly adapted butterflies lost ability to feed on food in their original habitat

Air pollution affects rainfall in Indian Ocean region

Pollution has reduced rainfall in south Asia

Waste to wealth

Pomegranate peel can be used to make gold and silver nanoparticles

California drought the worst in 1,200 years

Human-induced climate change to be blamed for extreme weather

Urban farming now covers area equal to size of Europe, says study

Farming by city dwellers plays major role in food security, finds the study