World must remove 1 billion tonnes CO2 by 2025 to meet climate goal: Report

Negative emission projects include bioenergy with technology to capture and storage carbon emissions, technology to directly capture and store emissions from the air and natural climate solutions such afforestation.

Projects in development will remove only a fraction of the amount of carbon dioxide (CO2) from the air that needs extracting by 2025 to meet the global Paris climate target and avert catastrophic warming, a report said on Wednesday.