This will sequester carbon dioxide at the rate of 1m tons a year.

Rather than indiscriminately using poisonous agri-chemicals, farmers should be encouraged to sequester carbon in the soil and provide habitat for wildlife.

Doing so would not only delay spate conditions but would increase biodiversity, sequester carbon, add to the economy of the uplands, improve public access and bring variety to the landscape.

In addition to the water itself, the ecosystems of the oceans also sequester carbon.

Complaints focus on the environmental impacts of coal extraction, high costs to sequester carbon, and uncertainty of how to manage end result pollutants and radionuclides.