EnvironmentHow are sand dunes formed and why do they even exist? The strange, beautiful shapes that sand dunes form are a mystery. Now researchers are conducting huge desert experiments and using dune racetracks to figure it out Features
EnvironmentChina’s 2060 net-zero goal needs large-scale negative emissions tech China pledged last month to reach carbon neutrality by 2060, but to do so may require extracting 2.5 gigatonnes of carbon dioxide from the air each year News