Tom Miles

(Reuters) - An effort by the World Health Organization to measure pollution in cities around the world has found New Delhi admits to having the dirtiest air, while Beijing's measurements, like its skies, are far from clear.

Justin Gillis

Early in his career, a scientist named Mario J. Molina was pulled into seemingly obscure research about strange chemicals being spewed into the atmosphere.

John Vidal

Air pollution has become the world's single biggest environmental health risk, linked to around 7 million – or nearly one in eight deaths in 2012 –

Samuel Mintz

LONDON (Thomson Reuters Foundation) – From Durban, South Africa, to West Chester, Pennsylvania, local and municipal governments are trying to do their part to slow the advance of global climate change and adapt their communities to new climate realities, as laid out in the 

Matthew Mpoke Bigg

(Reuters) - African governments should work harder to reduce inequality that has prevented the benefits of a decade of economic growth from being spread equitably, according to a report by former U.N. Secretary-General Kofi Annan released on Thursday.

Gilbert Nakweya

[NAIROBI] Measures to reduce short-lived climate pollutants (SLCPs) in developing regions such as Sub-Saharan Africa could benefit key sectors, including he

"This figure shows worldwide greenhouse gas emissions by sector from 1990 to 2010. For consistency, emissions are expressed in million metric tons of carbon dioxide equivalents. These totals include emissions and sinks due to land-use change and forestry.

“This figure shows worldwide emissions of carbon dioxide, methane, nitrous oxide, and several fluorinated gases from 1990 to 2010. For consistency, emissions are expressed in million metric tons of carbon dioxide equivalents. These totals include emissions and sinks due to land-use change and forestry.” – United States Environmental Protection Agency

“This figure shows concentrations of carbon dioxide in the atmosphere from hundreds of thousands of years ago through 2013, measured in parts per million (ppm). The data come from a variety of historical ice core studies and recent air monitoring sites around the world. Each line represents a different data source.” - United States Environmental Protection Agency

Brad Plumer

The Lancet recently unveiled a major overview of global health risks — and one of the most eye-catching pap