The rapidly changing ecosystem in Greenland threatens the habitats of the polar bears and other animals that live there. Meanwhile, California's forests battle increasing numbers wildfires due to rising temperatures.

The world's deserts are lands of extremes that force animals to come up with ingenious ways of coping with hostile conditions, giving rise to the most incredible survival stories on Earth.

At the very end of East Africa's Great Rift Valley, there’s a 'land that time forgot' - the rolling grasslands of the Luangwa Valley. As we travel through the seasons, we find the secret to this Eden's great riches - the annual flood of the mighty Luangwa River.

Mountains create frozen habitats on every continent on Earth, and each of these high-altitude worlds holds unique challenges for its surprising and remarkable life.

Jungles provide the richest habitats on the planet - mysterious worlds of high drama where extraordinary animals attempt to survive in the most competitive place on Earth.

Ade travels to Sweden, Denmark and Svalbard and learns about how restoring peatlands can help fight climate change, an energy plant that rund on waste rather than fossil fuel, a solar-powered house and the effects of rising temperature on a dog-sled business.

Meet the scientists and people dedicating their lives to understanding what these changes mean, not just for the animals and people who live there, but for the world as a whole.

Humans rely on plants for almost everything, including the air we breathe and the food we eat. Two in five wild plants are threatened with extinction, but people are finding new ways to help them, from projects in Africa to reseed the landscape to the rebuilding of a tropical forest in Brazil, tree by tree.

Ade travels to Sweden, Denmark and Svalbard and learns about how restoring peatlands can help fight climate change, an energy plant that rund on waste rather than fossil fuel, a solar-powered house and the effects of rising temperature on a dog-sled business.