EarthLaunching a huge dust cloud from the moon could ease global warming Launching a million tonnes of moon dust around Earth could dim sunlight across our planet by 1.8 per cent. This would reduce the global temperature, but whether it would be worth the resources, and the risks involved in such a strategy, are unclear 51动漫
EnvironmentCalifornia storms didn't solve the state's drought and water crisis After weeks of intense rain and flooding, most of California鈥檚 reservoirs are holding more water than usual for this time of year, but groundwater is still not replenished 51动漫