New Highs

The United Nations has issued a warning that last year, the concentration of carbon dioxide in the atmosphere increased at a rate that has never been observed before. Current levels have not been matched in over three million years.

The global concentration of carbon dioxide reached 403.3 parts per million (ppm) in 2016, up from 400 ppm in 2015. The rise can be attributed in part to the recent El Niño event, but the figures from the past several years reveal that this isn't the only factor.

The increase of 3.3 ppm between 2015 and 2016 is greater than the 2.3 ppm rise between 2014 and 2015. Indeed, the annual increase over the past decade has been just 2.08 ppm. The last time there was a major El Niño event, in 1998, levels only rose by 2.7 ppm.

Environmental factors only tell a part of the story; human activity, too, is causing these levels to rise. The UN's report states that population growth, intensive agriculture, deforestation, and industrialization are the biggest contributors to the changes taking place.

“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 World Meteorological Organization chief Petteri Taalas, according to a report from The Guardian.

Agree to Disagree

The Paris Agreement was intended to provide an action plan to help governments around the world address their country's impact on the environment. However, the extent to which individual nations are holding up their end of the bargain remains to be seen.

A report set to be published this week will outline how domestic commitments are not meeting the international goals that were originally laid out. As a result, it's unlikely that we'll meet the target of restricting global warming to a 2 degree C rise above pre-industrial levels; it could even reach 3 degrees C.

This isn't to say that no action is being taken: France has put some major changes in place across the board. China has been very proactive as well, having recently closed down large swathes of factories to cut down on pollution.

Elsewhere in the world, efforts have been undermined. The United States government is actively downplaying the threat of climate change despite ample evidence of its impact. Beyond politics, the consequences of such short-sightedness could be dire for humanity.

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