Three in four say climate 'tipping points' close

Some 73 percent of people now believe that Earth's climate is approaching abrupt and irreversible "tipping points" due to human activity, according to a global opinion poll released Tuesday.

Acceleration of global warming 'code red' for humanity

We ignored the warnings, and now it's too late: global heating has arrived with a vengeance and will see Earth's average temperature reach 1.5 degrees Celsius above preindustrial levels around 2030, a decade earlier than ...

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