The long-term effect of wildfires in Canada: Q and A

The most harmful air pollutant worldwide is fine particular matter. In Canada, the biggest natural source of this pollutant is wildfires. Winds can spread wildfire smoke over a wide area, affecting areas hundreds of kilometers ...

New UN force on climate impacts on health

Two UN agencies on Tuesday announced they were setting up a joint office to help fight the threat to health from climate change and extreme weather.

NASA image: Wildfires persist in California

Several fires are currently raging in central and northern California. These fires can be seen in this natural-color Terra satellite image taken by the MODIS instrument on August 18, 2013.

Get ready for climate change, says UN panel

The toll from ever-more intense floods, drought, and heatwaves will crescendo this century unless humanity anticipates the onslaught, according to a UN report set to be unveiled on Friday.

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