EnvironmentA solar geoengineering test has been delayed until 2022 A solar engineering experiment to launch a balloon from Sweden and inject aerosols into the stratosphere has been suspended and delayed until 2022 to give more time for engagement with the Swedish public News
TechnologyAircraft contrails are a climate menace. Can we rid the sky of them? The wispy cloud trails left by aircraft cause more warming than the carbon emissions from their fuel. Now there might be a simple way to stop them forming Features