An increasing body of scientific work suggests that a diverse world—what biologists call high biodiversity—is a healthier world
The rapidly growing human population and its global economy are not likely to improve matters for the rest of the biosphere.
The most efficient way to preserve biodiversity in North America will be to insure the preservation of large tracts of habitat
Sustainability will not be achieved with rising human population and increasing resource use.
Across a range of size, the energy it takes to manufacture a new car is equivalent to about one year of the energy used to power it.
You can join the movement now, or wait until the panels are even more efficient and cheaper in just a few years. Either way, you will want renewable energy in your future.
Copper has been extracted from less and less attractive ores since Biblical times, yet we have not run out.
Global survey of restoration projects found only 25% of the ecosystem services provided by nature were found in the restored systems.
If we are ever to see these fisheries recover, protecting rockweed will be an important foundation for the effort.
As long as the human population on Earth is growing, nothing we are doing is particularly sustainable