the alaskan tundra is warming so quickly it has become a net emitter of carbon dioxide ahead of schedule, a new study finds
the alaskan tundra is warming so quickly it has become a net emitter of carbon dioxide ahead of schedule, a new study finds
carbon dioxide in earth's atmosphere:63
the greenhouse effect is a process by which thermal radiation from a planetary atmosphere warms the planet's surface beyond the temperature it would have in the absence of its atmosphere.