Land-based climate plans 'unrealistic': report

The world needs to set aside an area bigger than the United States for tree planting and other measures to meet climate pledges, according to research published Tuesday that warned against "unrealistic" carbon-cutting plans.

Climate Questions: Who are the big emitters?

Who made the global warming mess the world is now in? More than half of the world's heat-trapping gases comes from three places: The United States, China and Europe.

Global climate summit is heading for a geopolitical hurricane

The last time world leaders got together for a climate summit, the backdrop was thoroughly menacing. A pandemic had decimated national budgets. Poor countries were up in arms over the hoarding of COVID-19 vaccines by the ...

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