co2 levels

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Such radical gyrations in the climate are already causing unseen suffering and hardship for countless of the earth's inhabitants. Millions of people have been displaced from their homes or lost their livelihoods as a result of one degree of warming.
Jamie Henn, co-founder and communications director for the advocacy group, told HuffPost on Wednesday that benchmarks
“Accelerating the transition to a low-carbon energy system will require stronger policies around the world,” Diringer said
GENEVA, May 26 (Reuters) - Carbon dioxide levels throughout the northern hemisphere hit 400 parts per million (ppm) for the first time in human history in April, an ominous threshold for climate change, the World Meteorological Organization said on Monday.
With the widespread burning of coal and oil during the Industrial Revolution, the concentration of carbon dioxide rose to
The amounts of two important nutrients, zinc and iron, were found to be lower in wheat, rice, soybeans and field peas grown
While 400 ppm is mostly a symbolic number, the climate changes it could cause are not. Among other impacts, increased carbon
July 30, 2013 - The Weather Channel host Matt Sampson spoke with Dr. Jeff Masters on the future of global temperatures based
Those of us concerned with the real impacts of global consumer culture are stuck in the territory between cynicism and tokenism, trying to think more productively about the kinds of strategies that can make a symbolic and material difference.
The prevalence of several less abundant greenhouse gases was also growing fast, it said. It has increased by an average of