Cultivating a limited number of crops reduced the genetic diversity of plants, endangering harvests. Seed collectors hope to fix it by finding the plants’ wild cousins.
A rainforest evangelist hopes that Brazil’s 55-million year old jungle can survive 21st century human impact.
Climate scientists tend to be optimistic and have faith that humanity can engineer our way out of the climate change we’ve created.
Earthworms are often portrayed as beneficial to the environment, but in North America's temperate forests, they are a disaster in action.