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Global carbon emissions projected at record high with 2-3% annual rise

Ahead of U.N. climate talks, studies show carbon dioxide released in 2018 will be the biggest increase in seven years.

A truck carries coal in smoky, hazy Beijing.
A truck carries coal in smoky, hazy Beijing. (AN/Han Jun Zeng)

Scientists projected that global emissions of carbon dioxide will hit another record high in 2018, highlighting the urgency of international climate talks underway in Poland.

The estimated 2-3% rise in year-on-year emissions worldwide would translate to 37.1 billion metric tons of carbon dioxide released in 2018 — equivalent to 1,175 metric tons of carbon dioxide spewed into the air every second. Global CO2 emissions came to 36.2 billion metric tons last year.

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