It is still difficult for biofuel producers to prove the contribution of their biofuels to reducing carbon emissions because the production of biofuel feedstocks can cause land use change (LUC), which in turn causes carbon emissions. A carbon map can serve as a basis to proof such contribution....

The issue of the possible adverse effects of a reduction in pollution on the economy is a very real one for China, given its public commitment to substantial cuts in CO2 emissions by 2020. An important part of this issue is the regional dimension - the pollution reduction is likely to have...