Producing biofuels from a fast-growing grass delivers vast savings of carbon dioxide emissions compared with petrol, a large-scale study has suggested. US researchers also found that switchgrass-derived ethanol produced 540% more energy than was required to manufacture the fuel.
One acre (0.4 hectares) of the grassland could, on average, deliver 320 barrels of bioethanol, they added.
European Court of Human Rights holds first-ever hearings on climate, while the UN adopts a landmark resolution asking the International Court of Justice to weigh in on countries’ legal responsibility to safeguard the climate system.
Ad data reviewed by DeSmog shows industry group paid Google to link its website to hundreds of climate-related search terms.
The oil giant says chemicals are part of the solution to climate change. Its operations in Norco, Louisiana, tell a different story.
Critics say the firm is attempting to buy goodwill as it bids to pilot a fuel widely considered unviable for home heating.
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