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The start
John Tyndall said that gases like water and CO2 exist in the atmosphere. This gas in the atmosphere acts s an insulater. The mgas holds in heat and oxygen.He discovered that CO2 ansd water effectly block heat radation. -
Period: to
The Start
John Tyndall said that gases like water and CO2 exist in the earths atmosphere -
Svante
He noticed that coal burning left a lot gas in tthe air. He stated that if you docbbled the amount of CO2 in the air then tempture would rapinly increese. he figured out that global warming yould not become revelant for many centuarys. He then said that if we halfed the CO2 amount it yould lower temptures a coullpe degreese. -
Reports
Global warming becomes better known. Many scientist say that the earth tempture is rising. Tempture has risen a coulpe degreese ofer the last two centurys. Scientists say that as The more we burn things the more the tempture will rise. If humans cut down on the manufacturing then we will stop global warming. -
Edward Lorenzy
He held a confrence on climate change. He talked about the shift in currents. Depending on the climate the weather would change. new evidence showed that climate change started old iceages. -
Cloud alter climate
The us national acadamy restated that the ammount of CO2 effects the air. The air has increesed in tempture. They did an expermint. They conclided that the tempture increesed fron 1.5 to 4.5 degreese celcius. -
warning
Scientists from 29 nations met. They too stated theat the earth was warming. Scientists agreed that something needed to be done. The told the leaders of their nations. -
Climate talks
People meet in Coperhagen. This time 192 nations gathered with the UN. They came up with a plan. They now have an international soloution to slow down global warming. -
Earth summit
178 cuontry representives met. They met in rio. The UN came to a conclusion. the decided that it was important to make a change.
