Keeping global warming below the 2 degree level means limiting cumulative carbon emissions to 1,100 gigatonnes till 2050. But a new study says that might prove illusory as the emissions contained in present day estimates of global fossil fuel reserves are around three times higher than this.
Large European companies were planning to invest hundreds of billions of euros in transporting solar energy from North Africa to Europe as part of the Desertec initiative. But now there is disagreement as to what strategic direction the project should take. Could this be the end of the road?
Heavy air pollution in large Asian cities will do long-term damage to the climate. A more immediate problem, however, is that the dirt seems to be exacerbating storms over the Pacific Ocean a new research has found.