Tree planting is one of the most physically and mentally demanding jobs in Canada. Working long days in the baking sun of desolate clear cuts, you can expect rain storms and snow covered tents: that's tree planting in Northern Alberta. In this documentary, veteran planters share their experiences as they struggle through each day of what has become the longest and most difficult season ever!

Polypedates megacephalus, a small and inconspicuous tree frog, is now growing strong and ready to take over here and there in Taiwan. Over and over, scientists and volunteers try to remove them to protect our native frogs. At the same time, the loud mating calls of cane toads, the other massive invaders, are unfortunately heard in central Taiwan. An all-out ecological catastrophe seemed inevitable as they look so innocent that we could hardly imagine.

Deep in Mexico’s mushroom-rich forests, two women from indigenous communities have become mycologists. This immersive sci-fi documentary follows their unusual, fungi-driven paths as they seek to reconcile the past and present while reimagining the future for themselves and the changing world they inhabit.

A race is on to save Gabon’s Moukalaba-Doudou National Park and the silverback gorillas that call it home. Once, this area was protected by a thriving oil industry, but now, big companies are moving out and the logging industry is poised to move in. Ecotourism could be the only way to prevent the trees of this rainforest from coming down, but a team of conservationists needs to make the gorillas of Gabon tolerant of humans first. Follow them as they get up-close with the gorillas, study their moves, and journey to war-torn Central African Republic to learn the secrets of successful gorilla habituation.

Looks at the baobab trees that grow in the dry bush country of Africa and shows the ecosystem created by them.

In this retrospective tribute, acclaimed filmmaker Jean Walkinshaw hails the 100th anniversary of Mount Rainier National Park in Washington by talking to those who know it best: the scientists, naturalists, mountain climbers and artists whose lives have been touched by the peak's far-reaching shadow. The result is a harmonious blend of archival material and high-definition footage celebrating an icon of the Pacific Northwest.

Over a 10-year period, more than 300 people disappeared from the area surrounding Tanzania's Lake Tanganyika. At first, the disappearances were attributed to a serial killer or tribal warfare, but scientists eventually discovered that the culprit was a huge, man-eating crocodile dubbed "Gustave." This fascinating PBS documentary chronicles scientists' efforts to trap Gustave and move him to a nature preserve before he strikes again.