Australia offers Tuvalu citizens climate refuge

Citizens of climate-threatened Tuvalu will have the right to live in Australia under a landmark pact unveiled Friday—an offer of refuge as their Pacific homeland is lost beneath the seas.

Maps reveal biochar's potential for mitigating climate change

Biochar, a charcoal made from heating discarded organic materials such as crop residues, offers a path to lowering atmospheric carbon dioxide (CO2) at a time when climate scientists warn that urgent action is needed limit ...

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