Business Green: The Republic of the Maldives has announced it is to undertake a series of biochar projects on three of the islands that make up the Indian Ocean archipelago. The technology works by heating wood and crop waste using a process known as pyrolysis to create a carbon-rich substance called biochar that can be mixed with soil and buried underground. Advocates of the approach, including controversial British scientist James Lovelock, argue that it provides an effective means of removing …