Home A new world?: carbon dioxide concentrations in atmosphere hit 400 ppm
 

Keywords :   


A new world?: carbon dioxide concentrations in atmosphere hit 400 ppm

2013-05-11 18:10:00| Climate Ark Climate Change & Global Warming Newsfeed

Mongabay: For the first time since homo sapiens evolved, concentrations of carbon dioxide in the atmosphere have struck 400 parts per million (ppm) due to burning fossil fuels. The National Oceanic and Atmospheric Administration (NOAA) reports that readings of carbon dioxide at Mauna Loa Observatory in Hawaii hit the symbolic number on Thursday and are expected to continue rising in coming years. The last time concentrations were this high for a sustained period was 4-5 million years ago when sea levels were...

Tags: world hit atmosphere carbon

Category:Electronics and Electrical

Latest from this category

All news

»
05.11Vodafone-Three merger could get green light, watchdog says
05.11Altice USA residential video RGUs down 77,000 in 3Q 2024
05.11Shoppers warned over luxury advent calendar scams
05.11Durable Floor Coating from HMG Paints Transforms FC United\'s SMRE Bar
05.11Teknos Poland Honored by Farby i Lakiery
05.11Xumo teams up with Target to offer Hisense Xumo TVs
05.11KT launches 8K AI-powered IPTV set-top box
05.11Tropical Storm Rafael Graphics
More »