Union of Concerned Scientists

JULY 9, 2024

Hydrofluorocarbons (HFCs) were developed to replace a type of chemical that impacted the ozone layer in our upper atmosphere, but these replacements are potent greenhouse gases. Phasedown of hydrofluorocarbons There are several rules that inform and facilitate the phasedown of hydrofluorocarbons.

Toxic Substances Control Act 317

Toxic Substances Control Act Air Pollution Regulations Clean Air Act 317

Union of Concerned Scientists

SEPTEMBER 30, 2024

However, since major US environmental laws are enacted to protect the air, water, and land separately (i.e. the Clean Air Act, the Clean Water Act, the Safe Drinking Water Act), as a result, EPA programs are often implemented narrowly, not holistically.

Air Pollution 279

Air Pollution Toxic Substances Control Act Environmental Protection Ozone 279

Environmental Science

JULY 30, 2018

For example, EPA under the Clean Water Act established 129 “ Priority Pollutants ” in 1976, a list of which is a typical analytical suite that you can order as a package. Clean Water Act. Through this law, water pollution is managed by controlling wastewater discharges.

Clean Water Act 52

Clean Water Act Waste Clean Air Act Regulations 52

Environmental Science

SEPTEMBER 7, 2018

Chlorofluorocarbons (CFCs) : A group of inert chemical used in many industrial and everyday processes such as our refrigerators that are not broken down at lower atmospheric levels and rise to the upper levels, destroying ozone. They are water vapor, carbon dioxide, methane, nitrous oxide, ozone, CFCs, and hydrofluorocarbons.

Government 52

Government Law Waste Clean Air Act 52

Environmental Science

SEPTEMBER 14, 2018

President John F Kennedy introduced the Clean Air Act in the US as one of many introduced in developed nations with heavy industry (15). Rachel Carson's Silent Spring highlighted many of the ecological problems that industrial and commercial activity was doing to our world.

Conservation 52

Conservation Law Natural Resources Fossil Fuels 52

Union of Concerned Scientists

DECEMBER 12, 2023

The Cuyahoga fire, along with a major oil spill off the coast of Santa Barbara that same year, galvanized national attention and led to the first Earth Day, a slew of new air and water protection laws, and the creation of new federal departments to administer them, including the Environmental Protection Agency (EPA).

Clean Water Act 325

Clean Water Act Carbon Dioxide Clean Air Act Climate Change 325

Columbia Climate Law

MAY 8, 2020

EPA of a 2015 rule barring replacement of ozone-depleting substances with hydrofluorocarbons (HFCs), which are powerful greenhouse gases. Circuit vacated the 2015 rule to the extent that it prohibited continued use of HFCs by companies that previously switched to HFCs from an ozone-depleting substance. In Mexichem , the D.C.

2020 40

2020 Endangered Species Act Climate Change Greenhouse 40