Level of CO2 is about 290 ppm
Mean global temperature is 13.6 degrees Celsius
First Industrial Revolution. Land clearing and coal speeds greenhouse gas emission
Simple Fourier models predict that earth could be colder without an atmosphere
Discovery of gases that blocks Infrared radiation
Changes in climate brings climate change
1896 First calculation of global warming are done from human emissions
Second industrial revolution
Fertilizers, public health lead to increase in human growth
WWI: governments learn to mobilize industrial societies
Texas and Persian Gulf oil field are opened inaugurating era of cheap energy
Global warming trend reported to have increased
Callander argues that CO2 global warming is underway
WWII: struggle to control oil fields
US Office of Naval funds climate research fields
A realistic computer model of the global atmosphere is released
The Soviet Sputnik satellite is launched
It is found that CO2 produced by humans is not easily absorbed by oceans
Telescope studies reveal that greenhouse gases raises temperature of the atmosphere of Venus
An annual rise in the earth’s temperature is detected by Keeling at 315
Mean temperature hitting 13.9 degrees Celsius
Calculations suggest that feedback with water vapor will make climate slightly sensitive
Sudden shifts in temperature are predicted
The population of people has considerably increased
Aerosols from human activity are shown to be increasing
Counteract global warming to bring serious effects
Ice cores show evidence of big climate changes
Droughts in Africa, India and Ukraine: serious food shortages
CFCs and Methane are shown to contribute to greenhouse effect
Ice cores at Greenland reveals radical temperature changes
A strong global warming as 1981 is said to be warmest year
A massive ‘brown cloud’ is spotted in Asia
Increase in pollution increases greenhouse warming
Level of CO2 reaches 385 ppm
Mean global temperature is at 14.5 degrees Celsius (warmest ever).
Global warming kills animals. Species disappear (polar bear, whales, penguins, frogs, cod, jellyfish and snail among others).
Global warming will wreck all the fun (baseball trees will disappear as well as Christmas trees, ski competition, cool cultural landmarks like ice tops will disappear, French fries, more mosquitoes and more poison ivy).
Global warming will kill the planet (literally). Greenland will melt, less ice at arctic, more sand seas in Africa, oceans will be more acidic, rivers will dry up, African rivers & lakes will disappear, more wild fires, higher sea levels.
Endanger of U.S. assets worth billions of dollars
Global warming will make people sicker. More people will die, warm temperatures will result in increased heat waves, smog will kill people, increased heart diseases, resurgence of deadly diseases, increased malaria incidences in Africa and Russia, starvation, and incidences of more refugees.
Will result to more African deaths
Climate by 2050
If nothing is done and the current trends continue then:
Extreme heat resulting in summer deaths will triple
Rise of sea level waters by 4ft, Ozone layer will be depleted
Higher skin cancer cases
Homes of about 25-40million people will be threatened
It is projected that by 2090; heat waves will have increased by 25% resulting to 5 times deaths in the 1990s, 20% of water scarcity, CO2 will exceed 600ppm and food to be greatly disrupted.
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