EarthShell abandons oil exploration in Alaska but stays in the Arctic The oil giant might have announced it is pulling out of drilling under the Chukchi Sea – but its ventures in the Russian and Scandinavian Arctic continue ¿ìè¶ÌÊÓÆµ
TechnologyMy cacti could generate electricity and help curb climate change Desert plants could help power the planet without upsetting food supplies, says eco-entrepreneur Mike MasonOpinion