Food deficits in Africa will grow in a warmer world

Africa has one of the world's fastest population growth rates. Growth models project the continent's current population of about 1.3 billion people will nearly double to 2.5 billion by 2050—and it's likely to keep growing ...

Not enough or too far? California climate plan pleases few

Heat waves and drought gripping California highlight the urgency to slash fossil fuel use and remove planet-warming emissions from the air, a top state official said Thursday during discussions of a new plan for the state ...

Canada unveils carbon emissions offset market

Canada unveiled Wednesday a national carbon emissions market to help it meet its climate goals by allowing cities, farmers and others to sell credits for CO2 reductions to heavier polluters.

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