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Demonstrators rally near the military headquarters in Khartoum, Sudan in April 2019. Protests led by neighbourhood resistance committees and the Sudanese Professionals Association - an umbrella group of unions - forced President Omar al-Bashir from power on April 11, 2019. AP Photo/Salih Basheer, File

As war rages in Sudan, community resistance groups sustain life

In Sudan, amid a growing humanitarian crisis caused by a year-long and ongoing war, neighbourhood organizations have stepped in as first responders, and to lead the call for peace.
Solar engineering is designed to reflect some of the Sun’s ray back into space. John Crouch/Moment via Getty Imgaes

Climate engineering carries serious national security risks − countries facing extreme heat may try it anyway, and the world needs to be prepared

The big question: Would climate engineering like sending reflective particles into the stratosphere or brightening clouds help reduce the national security risks of climate change or make them worse?

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