Environmental Science

SEPTEMBER 7, 2018

They are water vapor, carbon dioxide, methane, nitrous oxide, ozone, CFCs, and hydrofluorocarbons. Half-life : the time it takes for any pollutant (usually refers to radioactive material but also includes other toxic material) to halve its effect on the environment. Title III of the Act created EPCRA (see above).

Government 52

Government Law Waste Clean Air Act 52

PA Environment Daily

MARCH 13, 2025

The announcements cover 31 health protections, including standards on mercury, soot, and traffic pollution as well as the reconsideration of a decade-old, evidence-based conclusion that carbon dioxide, methane, and four other climate-warming pollutants endanger human health and welfare.

Toxic Substances Control Act 66

Toxic Substances Control Act Clean Air Act Regulations Climate Change 66

Union of Concerned Scientists

MAY 19, 2022

Outside of bird protection acts of the early 20 th century, protections for water, air and the atmosphere are a late 20 th -century development, created in the wake of Rachel Carson’s 1962 treatise on pesticides, Silent Spring. Carbon dioxide is not a pollutant. All of us are exhaling carbon dioxide right now.

Carbon Dioxide 300

Carbon Dioxide Climate Change Clean Water Act Fossil Fuels 300

Union of Concerned Scientists

MARCH 6, 2025

Many other states in recent years have decided they would follow Californias standards, as they are allowed to under the Clean Air Act. Dekleva was accused during her first stint in President Trumps EPA of pressuring employees to approve new chemicals and colluding with industry to weaken the Toxic Substances Control Act.

Climate Change 348

Climate Change Fossil Fuels Toxic Substances Control Act Regulations 348