Gaylord Nelson, the late U.S. senator and governor of Wisconsin, is considered the founder of Earth Day, which started in 1970.

Earth Day is a global event for environmental awareness. US Senator Gaylord Nelson started it in 1970. Millions participate in events across 190 countries.

Former Wisconsin Governor and Senator Gaylord Nelson is considered the founder of Earth Day in the U.S. The first Earth Day was celebrated in 1970 when 20 million people attended inaugural events ...

But it was a senator from Wisconsin, Democrat Gaylord Nelson, who had the idea that would become Earth Day. Nelson had long been concerned about the environment when a massive offshore oil spill ...

What is Earth Day? Earth Day started in 1970 when people — including Wisconsin Sen. Gaylord Nelson — brought attention to the impact oil spills, pollution and smog were having on the planet.

What is Earth Day? Earth Day started in 1970 when people — including Wisconsin Sen. Gaylord Nelson — brought attention to the impact oil spills, pollution and smog were having on the planet.

In 1969, Democratic U.S. Senator Gaylord Nelson of Wisconsin proposed a series of "teach-ins" at university campuses to raise awareness of environmental threats.

First celebrated in 1970, Earth Day was founded by Senator Gaylord Nelson, Congressman Pete McCloskey, and activist Denis Hayes.

Founded by Senator Gaylord Nelson of Wisconsin, Earth Day was created to thrust environmental issues into the national conversation at a time when the U.S. had no Environmental Protection Agency ...

But it was a senator from Wisconsin, Democrat Gaylord Nelson, who had the idea that would become Earth Day. Nelson had long been concerned about the environment when a massive offshore oil spill ...

But it was a senator from Wisconsin, Democrat Gaylord Nelson, who had the idea that would become Earth Day. Nelson had long been concerned about the environment when a massive offshore oil spill ...

But it was a senator from Wisconsin, Democrat Gaylord Nelson, who had the idea that would become Earth Day. Nelson had long been concerned about the environment when a massive offshore oil spill ...