In late September, the British government pledged £5.8bn to tackle the problem in developing countries, and many other governments worldwide are also pouring money into solving the problem.
A steadily-warming planet impacts the environment in many different ways.
Rising global temperatures, largely due to man-made greenhouse gases, are the source of widely-discussed observable changes to the Earth like melting glaciers, rising sea levels, warming oceans, and more extreme weather events, such as hurricanes, droughts, forest fires, and floods.
In the pictures that follow, we take a look at how climate-change-related events have affected regions around the world, whether directly or indirectly.