Plants and animals temporarily use carbon in their systems and then release it back into the air or surrounding medium.

I was wondering if you could use just carbon or just graphite, and what would work better.

Gas chambers have also been used for animal euthanasia, using carbon monoxide as the lethal agent.

Today most new boats are built using carbon fibre-foam sandwich construction with a self draining floor.

The separated material is then leached out using carbon.

A much smarter approach would be to mandate that the economy use less carbon.

I am now using a polyfilter and carbon to remove the copper.

How does that help convert our lives and economies to using less carbon?

In the west, manufacturers use amorphous carbon or organic charcoal instead of lead.

Others have called for additional studies to determine more about how to use activated carbon effectively.