Environment
Cover
Bringing people together
Researchers join program to increase Brazil's global climate change studies
Charles Naspitz
Charles Naspitz: Epidemic in the air
Child allergy expert talks about the challenge of understanding and treating asthma
Chemistry
Reverse recycling
Plastic bottles are being transformed into raw material derived from oil
Climate change
Forest in a bind
Cleaner air in the Northern Hemisphere may lead to droughts in the Amazon
Cover
The art of scanning clouds
Three satellites monitor the Amazon Region's controversial deforestation