Four years ago, the meat industry killed efforts to include the environmental impact of the food we eat. New reports say the issue won't resurface in 2020.
State and federal agencies are warring over who has control of wildlife on public lands, while landscapes get trampled and invasive species obliterate endangered ones.
A new study definitively disproves a decades-old theory that human "handling" of the animals caused their rapid disappearance from Serengeti National Park in 1991.
Eucalyptus plantations in southern India that were abandoned and left to recover for nearly 40 years are still far from resembling the primary forest surrounding them.