This graph, based on the comparison of atmospheric samples contained in ice cores and more recent direct measurements, provides evidence that atmospheric CO2 has increased since the Industrial Revolution. (Source: [[LINK||http://www.ncdc.noaa.gov/paleo/icecore/||NOAA]])
Univ. of Arizona professor Guy MacPherson on climate change: It's too late. We're the last generation of humans. Arctic ice cap to disappear in summer by 2015, Gulf Stream shifting, unstoppable methane release from the warming tundra, and more.
Climate change has become one of those divisive, polarizing issues that confound our political system. It's often hard to even have a civil conversation with folks who disagree, even with close relatives or friends. But it is clear that the climate crisis has arrived. And the key to solving it is educating those around us.
ExxonMobil, the world’s largest and most powerful oil company, knew everything there was to know about climate change by the mid-1980s, and then spent the next few decades systematically funding climate denial and lying about the state of the science.