International agreement to reduce greenhouse gas emissions, focusing on anthropogenic CO2.

Powerful greenhouse gases, often used as refrigerants.

Potent greenhouse gases, used in industrial processes.

Extremely potent greenhouse gas, used in electrical equipment.

Global agreement to limit global warming to below 2°C through mitigation and adaptation.

Device on gas pumps to reduce VOC emissions.

Device in vehicles to convert toxic gases into less harmful ones.

Air pollution control device that uses liquid to remove pollutants.

Air pollution control device that uses dry reagents to remove pollutants.

Air pollution control device using electrical charge to remove particulates.

Regulates air emissions from stationary and mobile sources; sets NAAQS.

International treaty to protect the ozone layer by phasing out ozone-depleting substances.

Comprehensive plan to reduce air pollution in the EU across sectors.

Plan to address Beijing's air pollution, including limiting cars and promoting clean energy.

Releases greenhouse gases, leading to climate change and respiratory problems.

Contribute to acid rain, respiratory illness, and ecosystem damage.

Reduces carbon sinks, increasing atmospheric CO2 and global warming.

Contribute to smog, respiratory problems, and greenhouse gas emissions.

Traps more heat in the atmosphere, contributing to climate change.

Traps more heat in the atmosphere, contributing to climate change.