Take a moment to understand the
in the upper atmosphere of planet Earth.
The climate is an angry beast,
and we humans have been poking at it with sticks, e.g., in 2010, 30.6 gigatons of
global CO2 emissions (1) - a new record.
With 4.5% of the world's population, the US is responsible for 18% of global CO2 emissions. The U.S. output of CO2 to the atmosphere in 2010 was 5.6 billion metric tons - not counting the additional 1.2 billion metric tons of CO2 equivalent emissions
that we spewed into the atmosphere
from non-CO2 GHGs.
It was 20,000,000 years ago that the Earth's atmosphere last had our current atmospheric levels of CO2. (1) Three hundred and fifty parts of CO2 per million of atmospheric air or less is thought by some to be the maximum concentration compatible with maintaining the planet in the state to which human life is currently adapted.*
Fossil fuel use, along with deforestation, is responsible for a great deal
of the CO2 increase.
Methane (CH4), like CO2, is a heat-trapping gas. It is 25 times more potent than CO2
as a greenhouse gas over a 100-year period.
As it escapes into the atmosphere, methane adds even more to the pace of global warming. Concentrations of atmospheric methane have increased 150% since 1750.
Our species faces 3 enormous problems: population growth (1), resource depletion, and climate change. Future generations of homo sapiens may suffer mightily for what we have done to our only home. (1) " Note: It'll be at least five hundred parts per million within the next forty years according to this expert. This guy explains possible effects of climate change in a manner a 14-year-old can understand, (1 -politics and science from a Nobel Peace Prize winner) Here's a skeptical expert and a skeptic who converts. Here's research on the current attitudes of Americans on the subject of climate change.
If you are opposed to the suicide of the human race, you might find the two film
clips to the right informative.
Want less. Use less. Conserve energy.
Get off the carbon highway!