The game's aim is to help players use their wits to save one or some of six endangered carnivores.
The behaviour of others can be used to encourage people to be more efficient in their energy use — both to save money and protect the environment.
If they don't want wild animals to continue going silently into the night, British citizens must act.
By taking up farming and raising livestock on ever larger scales, people in the ancient world also started dealing a blow to the natural environment not only by clearing forest but by altering the very climate of the planet.
Australian researchers say they have found a way of cleaning up spills before they can destroy ecosystems.
Floatgen is expected to herald lots of offshore wind turbines of its kind off the coasts of Europe.