In 2007, the Intergovernmental Panel on Climate Change (IPCC) concluded that: `Warming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, ...

Ln contrast to many developing countries, hina has enjoyed rapid improvements in the total factor produclivity f its agricu ltural sector, with 2 percent an nllal growth for staple commodities over the period J 995 to 2005 ...