Let’s look at how this agreement was critical in protecting the health of our planet and all its species, while also reducing greenhouse gases in the atmosphere. The ozone layer is a thin shield ...

However, it’s not the only factor playing a part in sustaining on our planet. Image caption, Without the ozone layer, planet Earth would be a very different place. One of those is the ozone layer.

Earth, our home planet, is a world unlike any other ... Beyond the outer core lies the mantle, a 1,800-mile-thick layer of viscous molten rock on which Earth's outermost layer, the crust, rests.

The potential compositional boundary was typically put at 660 km ... trace elements compared with what is expected from primitive planet-building material that the Earth should, on average ...

Cascade PBS helps your community explore new worlds and ideas through programs that educate, inform and inspire. Your tax-deductible donation helps make it all possible. The forgotten story of the ...

Rare Metal The metal iridium, which is similar to platinum, is very rare on Earth's surface but is more common in asteroids and in molten rock deep within the planet. Scientists have discovered ...

And eliminating fossil fuels would reduce carbon dioxide emissions, ultimately conferring long-term benefits to the planet. L.M. Miller and D.W. Keith. Climatic impacts of wind power. Joule.