Carbon Dioxide in Earth's Atmosphere Reaches New Record High

Pablo Tucker
November 28, 2019

Ranges of different warming gases, equivalent to methane and nitrous oxide, occupy also surged by above common amounts.

Levels of the three main heat-trapping gases emitted into the atmosphere - carbon dioxide (CO2), methane, and nitrous oxide - have reached yet another high, the United Nations meteorological agency, WMO, said on Monday.

"This continuing longterm tendency implies that future generations will probably be faced with severe impacts of climate change, such as rising temperatures, more extreme weather, water pressure, sea-level rise and disruption to both marine and land ecosystems".

With the use of data from monitoring stations in the Arctic and across the world, researchers said that in 2018, Carbon dioxide concentrations reached 407.8 parts per million (ppm), compared with 405.5 ppm a year earlier.

The increase in Carbon dioxide from 2017 to 2018 was very close to that observed from 2016 to 2017 and just above the average over the last decade. In 2017, they reached a high of 405.5 parts per million.


Levels of greenhouse gases in the world's atmosphere reached new record highs in 2018.

Since 1990 there's been an expand of 43% within the warming raise out on the climate of long lived greenhouse gases.

The inequity between the two is that emissions consult with the amount of gases that trek up into the environment from using fossil fuels, equivalent to burning coal for electricity and from deforestation.

The U.N. agency's Greenhouse Gas Bulletin is one of a series of studies to be published ahead of a U.N. climate change summit being held in Madrid next week, and is expected to guide discussions there. "We need to translate the commitments into action and increase the level of ambition for the sake of the future welfare of the mankind".

"It is worth recalling that the last time the Earth experienced a comparable concentration of Carbon dioxide was 3-5 million years ago". Carbon dioxide levels peaked higher than 407 parts per million (ppm) past year, high enough for a new record.


It measures the atmospheric concentration of the gases responsible for global warming, rather than emissions. The world's scientists calculate that emissions must fall by half by 2030 to give a good chance of limiting global heating to 1.5C, beyond which hundreds of millions of people will suffer more heatwaves, droughts, floods and poverty.

Preliminary findings for 2018 counsel greenhouse gas emissions persisted to rise last 365 days.

"We face a stark choice: set in motion the radical transformations we need now, or face the consequences of a planet radically altered by climate change", Andersen said.

This expand used to be above the common for the closing 10 years and is 147% of the "pre-industrial" level in 1750.

At the beginning of 2019, a report came out showing that after three years of being on the decline, Carbon dioxide emissions increased by an estimated 3.4 percent in the United States in 2018.


Nitrous oxide is emitted from natural and human sources, including from the oceans and from fertiliser-employ in farming. Levels of nitrous oxide are 123 percent of pre-industrial levels.

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