Quote:
Originally Posted by Boffin
I am sure:
1. Climate changes.
2. Human activities contribute to that change.
I am not so sure how much human activities contribute to climate change. However, I am inclined to think not very much. Nevertheless, the climate change phenomena seems to be generating a lot of profitable activities.
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Human activities have definitely changed local climates
Look at the amount of green pasture land here has been changed to concrete and asphalt, which are heat sinks, and green grass is not, and think of the large cities, such as Bangalore, which 50 years ago was all green natural land, Bangalore's average annual temperature has increased 10 degrees.
how have humans changed the earth's temperature is with steel/concrete/asphalt heat sinks for solar radiation. . . but we can't change that at all. .
good luck