Top advisor says it is "imperative" for the US to tackle climate change and address reliance on foreign oil
The Conservative Party manifesto contains more innovative environmental policy proposals than expected, but can David Cameron be trusted to deliver on his green pledges?
Increase in green taxes, introduction of carbon floor price, ban on new coal-fired plants and incentives for recycling all proposed in wide-ranging manifesto
Conservatives plan to extend feed-in tariff in attempt to phase out the Renewables Obligation
The deficit-hit UK could learn from the appointment of a green ombudsman in cash-strapped Hungary
But no surprise policy moves, as Party reiterates commitment to existing low carbon plans
Senate Kerry shrugs off fears that new Supreme Court appointment will eat into crucial debating time
New legislation to improve flood risk assessments and make it easier for water companies to use drought powers
US watchdog continues drive to improve corporate reporting on potentially hazardous chemicals by adding 16 substances believed to be carcinogenic to public inventory
Business secretary insists only Labour has the right policy to deliver green jobs