Carbon dioxide in the atmosphere is at 400 ppm and counting. Here is historical perspective on that measurement.
Earth’s climate is changing. It affects our weather, the oceans, ice, ecosystems, and society. Some of it is natural. But, humans are contributing to climate change in profound ways. Billions of tons of carbon dioxide (CO2) and other gases that trap heat are released into the atmosphere each year. These greenhouse gases are measured and monitored by several agencies. The level of CO2 is currently at 400 ppm (parts per million) and continues to rise.
This is not new information. It has been known for the past 50 years that Earth’s CO2 is trending upward. What is new is this particular number. It is going to be higher in the future. The issue should have been addressed by the global community in a comprehensive way back then and through the decades that followed to the present. My fear is that the story will get some news coverage…
View original post 1,129 more words
Our View From Iowa 