In honor of the fiftieth anniversary of the signing of the Wilderness Act of 1964, the Smithsonian Channel is airing Aerial America: Wilderness, a look at the land covered by the Act, at 9:00.
The premiere of Africa, a seven part series on the Discovery Channel, airs tonight at 10:00. Brought to us by the same team that did Life for Discovery, the series promises some fantastic footage.
The season finale of Africa, in which we are shown how the series was made, is on Discovery at 10:00.
Today is Earth Day and National Geographic Wild has Africa’s Wild Coast, a documentary about efforts to protect Gabon’s rich coastal waters which are under attack from illegal trawling, putting humpback whales, hippos, sharks and other animals in danger, at 8:00.