Researchers use salicornia plants in carbon-negative process to grow biofuels

$50bn over 10 years to be ploughed into solar and wind installations

Measures needed to ensure cars do not charge from fossil fuel-powered grid

And reaches outside the US for the first time

Reports claim energy giant is expecting to raise more than $1bn in Hong Kong flotation

Early end for Low Carbon Buildings Programme leaves micro-renewables firms to cope for a month without subsidies ahead of feed in tariff launch

Trewin Restorick wonders if the concept du jour of "nudging" behaviour change can help curb UK carbon emissions

From feed in tariffs to vanishing top soil, we run down the top stories from the past week

Over-representation of rural interests in the Senate means US will struggle to pass environmental legislation

Company says it expects to have 45,000 electric cars on Israeli roads within five years