Hydrogen power has the potential to transform how we power the modern world.
From the Algerian telecoms explosion to Emirati start-ups, Arab countries are closing the gap on bigger economies.
There are still big challenges to overcome.
Lower-income countries banking on fossil fuels to generate economic growth risk being left behind by shifts in investment and credit as the world increasingly targets carbon emissions, ar...
Rich nations are still spending $100 billion a year on fossil fuels, despite climate pledges.
The value of oil hasn't been this high since November 2014.
Prime Minister Jacinda Ardern has announced a national pledge with the aim of tackling climate change.
2017 was a big year for the fund - which is already the largest in the world.
Although we typically picture pollution as coming directly from cars or power plants, a large fraction of air pollution actually comes from chemical reactions that happen in the atmosphere.
Governments have been forced to accelerate reforms.
Some countries may be phasing out coal, but production of the fossil fuel has more than doubled over the past four decades.
The World Bank will no longer finance upstream oil and gas projects after 2019.
Norway's central bank has recommended that the Ministry of Finance remove oil and gas holdings from its $1 trillion (£760 billion) sovereign wealth fund.
People across northern China are preparing for their first winter with gas heating - part of a government effort to wean the nation off dirty coal and improve the country's notoriously ba...
An engineer has discovered a way to turn liquid oil into spill-resistant pellets with air capsules in their core for buoyancy.