Strengthening the ability of individuals, communities and nations to adapt to climate change, move towards low-carbon societies, improve understanding of climate science, and raise public awareness about the Earth's changing climate. KEY FACTS: The globally averaged mixing ratios of carbon dioxide (CO2 ), methane (CH4 ) and nitrous oxide (N2 O) reached new heights in 2009. These values are greater than those in pre-industrial times (before 1750) by 38 per cent, 158 per cent and 19 per cent, respectively. In 2009, as other economic sectors declined around the world, existing renewable capacity continued to grow at rates close to previous years, including grid-connected solar PV (53 per cent), wind power (32 per cent), solar hot water/heating (21 per cent), geothermal power (4 per cent), and hydropower (3 per cent). By early 2009, energy policy targets and programmes existed...