Ontario's Long Point, the world's longest freshwater sand spit, is threatened by an invasive plant, phragmites.

British Columbia communities look to the past to learn how the environment, cultures and economies can thrive.

The old-growth forest and pristine lake of Quebec's Mont Saint-Hilaire are cherished by nearby communities.

On the Bras d'Or Lake in Cape Breton Island, oyster farming was seen as a sustainable alternative to working in coal and steel.

Residents struggle to mitigate the impact of cottagers and a new highway on the region's endangered species.

Students conduct social and scientific experiments at Redberry, a salt lake at the heart of a shrinking Saskatchewan community.

The Inner Bay of Fundy's population of Atlantic salmon is teetering on the edge of extinction, but people are determined to bring it back.

Grizzlies are increasingly protected in Alberta, challenging the ranchers of the Waterton Biosphere Reserve to find new ways to coexist with them.

Troubled by a history of uranium mining, the Sahtu Dene of Great Bear Lake create North America's largest biosphere reserve to protect its pristine waters for all of humanity.

Quebec's Manicouagan-Uapishka Biosphere Reserve prides itself on working with industry toward a sustainable future. But their dream is put to the test when their biggest project is jeopardized by North America's largest hydro-electricity reservoir.

In Ontario's Niagara Escarpment Biosphere Reserve, scientists, climbers and even quarry companies come up with innovative ways to co-exist with, restore and enhance the natural world.

After suffering through repeated, tsunami-like floods north of Manitoba's Riding Mountain, the Von Bargens lead the call to restore nature's flood protection systems.

Following unprecedented droughts, the people of BC's Mount Arrowsmith Biosphere Region begin their quest to restore the water balance.

The yellow perch, a key indicator of the health of Quebec's Lac Saint-Pierre, is in serious trouble. But this little fish is inspiring the big change needed to restore the lake to its former glory.

A little-known, but remarkable region of wetlands, called the Beaver Hills, are at risk of being swallowed by a growing Edmonton. As home to the world's most important herd of buffalo, people here are uniting to keep the Hills intact.

The heart of eastern North America's last, great forest corridor is threatened by development, but the people of Ontario's Frontenac Arch Biosphere Reserve are determined to keep it intact.

Under siege from invasive species, the people of the Southwest Nova Biosphere Reserve innovate new ways to hold back, eradicate, and even eat the invaders.