Study: Fossil fuel plans would far overshoot climate goals

The world needs to cut by more than half its production of coal, oil and gas in the coming decade to maintain a chance of keeping global warming from reaching dangerous levels, according to a U.N.-backed study released Wednesday.

Informing policy for long-term global food security

More than 820 million people in the world don't have enough to eat, while climate change and increasing competition for land and water are further raising concerns about the future balance between food demand and supply. ...

EXPLAINER: How come nations' climate targets don't compare?

This week's climate change summit features lots of talk from different nations about their goals for reducing carbon emissions. But in the weird world of national climate pledges, numbers often aren't quite what they seem.

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