La Nina climate cycle could last into 2023: UN

The weather phenomenon La Nina, which has affected global temperatures and worsened drought and flooding, will likely continue for months, and possibly even into 2023, the UN warned Friday.

Hackers leak e-mails, stoke climate debate

(AP) -- Computer hackers have broken into a server at a well-respected climate change research center in Britain and posted hundreds of private e-mails and documents online - stoking debate over whether some scientists have ...

Geoengineering could save Earth -- or destroy it

(AP) -- Brighten clouds with sea water? Spray aerosols high in the stratosphere? Paint roofs white and plant light-colored crops? How about positioning "sun shades" over the Earth?

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