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Brazil activists decry green rollbacks as senate passes ‘devastation bill’ | Brazil

Environmental activists in Brazil have decried a dramatic rollback of environmental safeguards after the senate approved a bill that would dismantle licensing processes and increase the risk of widespread destruction. The upper house passed the so-called “devastation bill” with 54 votes to 13 late on Wednesday, paving the way for projects ranging from mining and…

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Penguin poop gives Antarctic cloud formation a boost

Penguins’ poop may be making Antarctica cloudier — and helping mitigate the regional impacts of climate change. Gases emitted from the birds’ guano are supplying key chemical ingredients to form the seeds of clouds — the tiny particles that clouds coalesce around, researchers report May 22 in Communications Earth & Environment. What penguin guano primarily…

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