The levy will make polluters report and pay for their emissions, but experts say the starting rate is too low to spur a rapid shift to clean energy
BusinessGreen brings you this week's green economy headlines from around the world
Theresa May uses Africa trip to announce major investment in clean energy programme
Around the world courts are stepping in when politicians fail to act, with South Africa's government the latest to lose a groundbreaking climate lawsuit with judges ruling against its plans for a new coal-fired power station
New analysis reveals dramatic cost reductions mean clean energy is now far cheaper than coal power
Cash raised by the bank's first green bond sale will be used to support clean energy projects in BRIC nations
New wind farm comes online in Northern Cape region, as ACWA Power 120MW wind farm moves closer towards completion in Morocco
Clean energy firm aims to construct over 1,300MW new wind and solar capacity in Africa by 2018
Fresh focus on emerging markets drags renewables business from €46.6m loss in 2014 to €96m profit in the full year to the end of 2015
First round of lending sees clean energy projects win major funding in India, China, Brazil and South Africa