What Is a Carbon Sink?
A carbon sink is anything that absorbs more carbon than it releases, such as forests, soils and the ocean. Here is how natural sinks work…
Elena Marsh
480 reading now
Environment
Climate, energy, conservation and the future of the planet.
104 stories
What Is Tidal Energy?
Tidal energy is electricity generated from the rise and fall and the flow of the sea. Here is how it works, why it is so predictable, the…
Elena Marsh
401 reading now
What Is Geothermal Energy?
Geothermal energy is heat drawn from inside the Earth, used to warm buildings and generate electricity. Here is how it works, why it offers…
Elena Marsh
390 reading now
What Is Biomass Energy?
Biomass energy is power and heat made from recently living material such as wood, crops and organic waste. Here is how it works, why it is…
Elena Marsh
393 reading now
What Is an Ecosystem?
An ecosystem is a community of living things interacting with each other and their physical surroundings as a single working system. Here…
Elena Marsh
436 reading now