Extreme weather roundup: The pandemic emissions drop ends, and the tropics are becoming unlivable

New data bears bad omens for today and tomorrow: Emissions are on the rise after a pandemic slump, global ocean currents are slowing down and affecting the weather, and scientists say the tropics may eventually be too hot for survival.  After a COVID slump, greenhouse emissions are back on the rise Global lockdowns caused CO2 emissions to drop 7% during 2020, the biggest annual drop ever recorded. But the reprieve was not to last: More recent data published by the International Energy Agency shows that global energy-related emissions were 2%…