One of the biggest culprits associated with global warming is carbon dioxide, and it is currently reached its highest level in the last 3 million years. These emissions caused by human activities are the main source for the rise, with civilizations impact only beginning around 11,000 years ago. The last time levels were this high parts of the world as we know it were much different, for example, Antarctica had trees.
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Matteo Willeit, a climate researcher from Germany, comments on his study into the matter on ScienceAdvances paints quite a grim picture. “It seems we’re now pushing our home planet beyond any climatic conditions experienced during the entire current geological period, the Quaternary,” he goes on to say, “A period that started almost 3 million years ago and saw human civilization beginning only 11,000 years ago. So, the modern climate change we see is big, really big; even by standards of Earth history.”
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The current level is at more than 410 parts per million, although it doesn’t seem like much scientist attribute this rising number to world temperatures rising ⅔ of a degree over the last 20 years. The primary suspect of causing this is the release of greenhouses gases such as carbon dioxide and methane as a byproduct of burning fossil fuels like coal, oil and gas.
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The United States is the only nation in the world that is not part of the Paris Climate Agreement. The agreement aims to reduce human greenhouse gas emissions to prevent the rising of global temperatures.
