"We have 20 years [until 2026] to reduce carbon emissions or climate change will become irreversible." - Hans Joachim Schellnhuber

Hans Joachim Schellnhuber: We have 20 years [until 2026] to reduce carbon emissions...

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"We have 20 years [until 2026] to reduce carbon emissions or climate change will become irreversible." - Hans Joachim Schellnhuber

Uploaded 7 years ago