2016 was a year for breaking records — and not all of them were good. Each of the first six months of 2016 set a record as the warmest month in the modern temperature record – and a new report shows that CO2 levels in the Earth’s atmosphere hit their highest point in 800,000 years. “The abrupt changes in the atmosphere witnessed in the past 70 years are without precedent,” said the report published by the World Meteorological Organization (WMO).

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Every year, the Geneva-based organization compiles data for its annual greenhouse gas report. While reviewing 2016’s data, it cited a combination of “human activities” and “a strong El Niño event” as the reasons why CO2 levels increased so abruptly.

CNN reports that the last time Earth experienced similar levels of concentrated CO2 in the atmosphere was 3-5 million years ago, when the temperature was 2-3 degrees Celsius warmer and the sea level was 10-20 meters higher than it is now.

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“Without rapid cuts in CO2 and other greenhouse gas emissions, we will be heading for dangerous temperature increases by the end of this century, well above the target set by the Paris climate change agreement,” said WMO Secretary-General Petteri Taalas. “Future generations will inherit a much more inhospitable planet.”

In 2015, 195 countries signed the Paris Climate Agreement, which outlines specific emissions targets each nation must meet to prevent climate change from worsening. The United States, under President Donald Trump’s leadership, is the only developed nation that hasn’t agreed to join the Paris accord. As a result, some US states have joined together and set their own emissions goals that are in line with the Paris treaty.

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Related: The world will run out of breathable air unless carbon emissions are cut

In October, the UN Environment Programme will release a separate Emissions Gap Report. This report keeps track of the policy commitments each country has made to reduce greenhouse gas emissions. It also analyzes how present policies will meet 2030 goals.

“The numbers don’t lie. We are still emitting far too much and this needs to be reversed,” said Erik Solheim, head of the UN Environment Programme. “The last few years have seen enormous uptake of renewable energy, but we must now redouble our efforts to ensure these new low-carbon technologies are able to thrive. We have many of the solutions already to address this challenge. What we need now is global political will and a new sense of urgency.”

+ World Meteorological Organization

Via CNN

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