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Beginning of global warming
In 1950 to 1952 the first climate change report emerged. -
Study of Julie Chaney
The increase in Co2 was the main cause, from there the people dont used the car too much. -
Period: to
NASA
The people from NASA used to studied about global warming and the goverment don't used to pay attention to them. -
Population
In China due to population growth the citizens used to have no more babies, because overpopulation was another cause of global warming. -
Period: to
Actions
People used to take public transportation.
The people from beach used to pick up trash.
The manufacturing companies used to pollute the environment; now they are friendly to the environment.