It is not difficult for either the casual park visitor or the seasoned scientist to recognize the ecological significance of Drakes Estero. Today, we understand the importance of protecting our beautiful and fragile coastline.

The concept of 'wilderness' has long existed in Western culture as a place of pristine natural beauty unpolluted by human life. These policies neglect indigenous tribal peoples for whom such 'wild' places were once merely 'home'.

SALT LAKE CITY -- The state of Utah filed a lawsuit Friday against the federal government over an Obama administration plan to make millions of acres ...

WASHINGTON — Republican governors and members of Congress vowed Tuesday to fight an Obama administration plan to make millions of acres of undev...

DENVER — The Obama administration plans to reverse a Bush-era policy and make millions of undeveloped acres of land once again eligible for fede...

Gaylord Nelson initiated the first Earth Day in 1970. He spent his life protecting the national forests, national parks, and the other lands that belong to all Americans.

As effective as the Sierra Club has been, we need to do our best work in the years ahead. Looking forward, here are a few projects we want to complete.

While we witnessed the oil spill hit the Breton Island National Wildlife Refuge, we also witnessed the achievement of five milestones for wilderness protection in five short days.

Places I viewed as symbols of this so-called Promised Land have disappeared into clear cuts, drilling fields, and open-pit mines. What do our children inherit from this irretrievable loss? Pictures of how it used to be?

While it might be accurate that there would not be an ecologically significant impact on Cumberland Island because of motor tours, there will most definitely be a significant impact on the experience.

America is on the verge of a renewable energy gold rush -- hundreds of applications have been filed for wind and solar projects on public lands. I think this is long overdue.

The 285-140 roll call Wednesday by which the House voted to aside more than 2 million acres in nine states as protected wilderness. More than 1,000 mi...

Destroying our natural heritage will do nothing to solve our energy challenges for the long-term, which to me, is even more reason to act.

As Secretary of the Interior, Ken Salazar has to send a powerful signal that the era of unethical behavior and unchecked industry influence is over.