The last time carbon dioxide levels were this high was a million years ago. The global community needs to reduce emissions by 80 percent to stop the increase in CO2 levels. The data was reported by the National Oceanic and Atmospheric Administration.
"For the first time since we began tracking carbon dioxide in the global atmosphere, the monthly global average concentration of this greenhouse gas surpassed 400 parts per million in March 2015, according to [National Oceanic and Atmospheric Administration] NOAA’s latest results," writes Sandy Dechert for CleanTechnica.
Credit: NOAA Research
"The measure is the key indicator of the amount of planet-warming gases man is putting into the atmosphere at record rates, and the current concentrations are unprecedented in millions of years," writes Adam Vaughan for The Guardian.
"NOAA's latest results confirm that carbon dioxide is increasing 100 times faster in the age of humans than it has in natural rises in the past," adds Dechert.
James Butler, director of NOAA’s Global Monitoring Division, adds that it would be difficult to reverse the increases of greenhouse gases which are driving increased atmospheric temperatures.
CO2 levels rising even when CO2 emissions don't increase
Dechart points to data from the International Energy Agency (IEA) indicating "that global emissions from fossil fuel energy use had stayed at the same levels last year as in 2013" but NOAA reports "that carbon dioxide concentrations actually grew from 2012 to 2014 by 2.25 ppm per year, the greatest amount ever recorded over three consecutive years."
“Elimination of about 80% of fossil fuel emissions would essentially stop the rise in carbon dioxide in the atmosphere, but concentrations of carbon dioxide would not start decreasing until even further reductions are made, and then it would only do so slowly,” states Butler.
The Guardian's Karl Mathiesen writes on the effects of rising global greenhouse gas emissions in the form of increased extreme weather events.
Global warming over the last century means heat extremes that previously only occurred once every 1,000 days are happening four to five times more often, the study published in Nature Climate Change said.
FULL STORY: New Atmospheric Carbon Dioxide Level Record, Says NOAA
Depopulation Patterns Get Weird
A recent ranking of “declining” cities heavily features some of the most expensive cities in the country — including New York City and a half-dozen in the San Francisco Bay Area.
California Exodus: Population Drops Below 39 Million
Never mind the 40 million that demographers predicted the Golden State would reach by 2018. The state's population dipped below 39 million to 38.965 million last July, according to Census data released in March, the lowest since 2015.
Chicago to Turn High-Rise Offices into Housing
Four commercial buildings in the Chicago Loop have been approved for redevelopment into housing in a bid to revitalize the city’s downtown post-pandemic.
Google Maps Introduces New Transit, EV Features
It will now be easier to find electric car charging stations and transit options.
Ohio Lawmakers Propose Incentivizing Housing Production
A proposed bill would take a carrot approach to stimulating housing production through a grant program that would reward cities that implement pro-housing policies.
Chicago Awarded $2M Reconnecting Communities Grant
Community advocates say the city’s plan may not do enough to reverse the negative impacts of a major expressway.
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