Climate-smart cities could save the world $22tn, say economists

The finding upends the notion that it is too expensive to do anything about climate change – or that such efforts would make little real difference. Not true, said the researchers. “There is now increasing evidence that emissions can decrease while economies continue to grow,” said Seth Schultz, a researcher for the C40 climate leadership […]

Are we ready for the next volcanic catastrophe?

No volcano erupts without warning signs, caused by rising magma triggering earthquake swarms and inflating the ground surface. The problem is that out of our world’s 1,300 or more active and potentially active volcanoes, we monitor only a few hundred. The Tambora eruption reinforces the unofficial volcanological axiom: the longer the wait, the bigger the […]