This week on SciShow News, toxic waste from an abandoned mine turned a river yellow, and new research shows that threatened fruit flies may have more diverse offspring.

Humans are great at creating, and solving, problems. Hank talks with Gina McCarthy about the biggest public health problem we face today: climate change. Gina McCarthy is the Director of C-CHANGE (Center for Climate, Health and the...

Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...

If you’ve heard anything about pesticides, it’s probably about how toxic they are. But they make growing food more cost-effective, so when some make it into your groceries, how bad can they be?

This week on SciShow News, toxic waste from an abandoned mine turned a river yellow, and new research shows that threatened fruit flies may have more diverse offspring.

Humans are great at creating, and solving, problems. Hank talks with Gina McCarthy about the biggest public health problem we face today: climate change. Gina McCarthy is the Director of C-CHANGE (Center for Climate, Health and the...

Explore biomagnification which can happen when toxins become more highly concentrated when moving up through trophic levels in the food chain. Uncontrolled use of DDT is used in video as an example. Learn why bioaccumulation can occur in...

Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...

If you’ve heard anything about pesticides, it’s probably about how toxic they are. But they make growing food more cost-effective, so when some make it into your groceries, how bad can they be?

The water crisis in Flint, Michigan is a prime example of science being ignored, unknown, or even misused. Here's the chemistry behind how so many things went wrong.

In 1958, after receiving a letter describing the deaths of songbirds due to the pesticide known as DDT, Rachel Carson began an investigation into the misuse of chemicals and their toll on nature. In 1962, she published her findings in...

A flyover simulation of what the world's major cities will look like after the climate warms two to four degrees and the oceans rise dozens of feet/meters.

The video provides an overview of the role of the Environmental Protection Agency. The video explains the EPA's relationship with state governments, and how it works with them to regulate and protect the environment. It also discusses...

This video traces the history of the Environmental Justice Movement, highlighting pivotal events like the Memphis Sanitation Strike, protests in West Harlem, and the founding of the EPA. Learn about landmark studies revealing the link...

The Trump Administration's EPA has shown a propensity to ease regulations on polluting industries, in hopes of increasing economic output. Pollution has a lot of very well studied impacts on health, and those health problems can decrease...

Basics of the biosynthesis of DHA and EPA from alpha-linoleic acid. Introduction to omega-3 and omega-6 fatty acids.<br/>

This video follows an expedition to the headwaters of the Chesapeake Bay to investigate how human actions create dead zones in underwater areas. The video explores the impact of air pollution on waterways and the role of nitrogen in...

Synthesis of longer-chain fatty acids such as DHA and EPA using two enzymes: elongases and desaturases.<br/>

Event: September 1962. Rachel Carson's book, Silent Spring is published and word of how industrial chemicals harm nature begins to spread. Story: Rachel Carson is an author, scientist and environmentalist. Her books were praised as both...

The video provides an overview of the role of the Environmental Protection Agency. The video explains the EPA's relationship with state governments, and how it works with them to regulate and protect the environment. It also discusses...