There is likely more carbon dioxide in the air now than at anytime in 3 million years
Earth’s carbon dioxide levels hit record high, despite coronavirus-related emissions drop
by Anonymous | reply 16 | June 5, 2020 2:18 AM |
Yes. Everybody's farting more from so much comfort food.
by Anonymous | reply 1 | June 4, 2020 8:15 PM |
You can thank Ina Garten for that!
by Anonymous | reply 2 | June 4, 2020 8:15 PM |
So...?
by Anonymous | reply 3 | June 4, 2020 8:19 PM |
Carbon dioxide levels are directly associated with temperature levels.
by Anonymous | reply 4 | June 4, 2020 9:27 PM |
R3 hasn't heard of climate change
by Anonymous | reply 5 | June 4, 2020 9:27 PM |
What happened 3 million years ago?
by Anonymous | reply 6 | June 4, 2020 10:19 PM |
Nothing---we just have access to knowledge about CO2 levels up to about 3 million years ago using artic core ice samples
by Anonymous | reply 7 | June 4, 2020 10:23 PM |
Thanks R7, I didn't know that...
by Anonymous | reply 8 | June 4, 2020 10:26 PM |
What was so cool 😎 about 4 million years ago?
by Anonymous | reply 9 | June 4, 2020 10:27 PM |
Watch the doc An Inconvenient Truth. What I liked most about it is that it summarizes much of the knowledge we have about climate change into a nice 90 minute package.
by Anonymous | reply 10 | June 4, 2020 10:28 PM |
The article says CO2 is rising due to natural processes, and that this has happened before. I'm llst how it ties into climate change.
by Anonymous | reply 11 | June 4, 2020 11:28 PM |
So could this mean that humans' carbon emissions aren't actually to blame for rising CO2 levels?
by Anonymous | reply 12 | June 5, 2020 12:32 AM |
Correct R11 and R12.
by Anonymous | reply 13 | June 5, 2020 12:42 AM |
I live near downtown, surrounded by freeways. And the air is definitely much cleaner lately. The sky even looks bluer.
by Anonymous | reply 14 | June 5, 2020 12:52 AM |
R12 they’re not the only factor but they’re very much a factor —
But the total amount of CO2 that winds up in the atmosphere is driven not only by human emission levels, but also through processes on the land surface (especially forests) and in the oceans that fluctuate on a yearly basis.
According to a Scripps news release announcing the findings, CO2 emissions reductions on the order of 20 to 30 percent would need to be sustained for six to 12 months in order for the increase in atmospheric CO2 to slow in a detectable way.
“The buildup of CO2 is a bit like trash in a landfill. As we keep emitting, it keeps piling up,” said Ralph Keeling, who directs Scripps’s carbon dioxide monitoring program, and whose late father, Charles David Keeling, began measurements at the Mauna Loa Observatory in Hawaii in 1958.
“The crisis has slowed emissions, but not enough to show up perceptibly at Mauna Loa. What will matter much more is the trajectory we take coming out of this situation,” he said.
The rate of increase of this long-lived greenhouse gas in the atmosphere is accelerating.
In the 1960s, the annual growth rate was about 0.8 ppm per year. It doubled in the 1980s, and eventually climbed to 2.4 ppm per year during the past decade. Multiple lines of evidence show the cause of this increase is greenhouse gas emissions from human activities, said Pieter Tans, who leads NOAA’s Carbon Cycle Greenhouse Gases Group.
by Anonymous | reply 15 | June 5, 2020 2:14 AM |
Siberian permafrost is melting too.
by Anonymous | reply 16 | June 5, 2020 2:18 AM |