Dimming the sun could reduce future drought risk – but there’s a catch
DESPITE a recent slight decline due to the Covid-19 pandemic, greenhouse gas emissions continue to accumulate in the atmosphere. They are projected to rise again once the economy recovers.
The current pledges by governments across the world to reduce emissions are insufficient to keep global warming within safe levels (that is, below 2°C). Although with recent developments in China and the US, the target might once again be within reach if all nations actually deliver on their pledges.
More radical proposals to reduce climate change risks are
