Global warming is a problem that the world temperature deficiencies. The polar ice melt, and radiation from the Sun can pass through the atmosphere at the surface of the Earth has come even more.
Global warming is a global problem that patients with higher temperatures. Polar ice is melting and the sun's rays can pass through the atmosphere to the earth even more.
Global warming is the problem that world condition temperature rises. Polar ice melt and radiation from the sun can through the atmosphere into the earth even more.