![]() ![]() ![]() Green hydrogen, on the other hand, can come in liquid form and is lighter. Operating a plane or a large ship, for instance, requires so much energy that any battery used to store electricity from solar or wind would likely be too large and heavy for the vessel. “Hydrogen is versatile enough to fill some of these critical gaps – in providing vital feedstocks for the chemicals and steel industries or crucial ingredients for low-carbon fuels for planes and ships,” Remme told CNN. “Electricity from sources such as wind, solar and nuclear is essential for decarbonising our energy system – but it cannot do it alone, and long-distance transport and heavy industries are home to the hardest emissions to reduce,” said Uwe Remme, an energy analyst at the International Energy Agency. This is where experts say green hydrogen has huge potential. That’s a problem, because those industries are among the top emitters of greenhouse gas. For those already electrified, like computers and home appliances, electricity from nuclear and renewables like wind and solar are replacing coal.īut there are some industries that require so much energy that traditional renewables can’t meet their demand. ![]() At the same time, plans to use blue hydrogen – which is produced using fossil fuels – are coming under increasing scrutiny.Ī big part of the shift away from fossil fuel involves electrifying some of the everyday machines we use that are powered by oil and gas – cars and local transport, and heating for homes in some countries, for example. The burgeoning global green hydrogen market is projected to be worth $11 trillion by 2050, by Goldman Sachs’ estimates.īut critics of green hydrogen say using solar or wind energy to produce another fuel right now is a waste of precious renewables, as the world struggles to transition away from fossil fuels. It can be used to power heavy industry and fuel large vehicles, like planes and ships.įacilities to produce this cleaner form of the gas have popped up across the globe – in the United States, western Europe, China, Australia, Chile and South Africa, among other countries. One potential form of clean energy is green hydrogen – which can be derived from sources like water, rather than fossil fuels, and is produced with renewable energy. As the climate crisis escalates, the world is banking on carbon-free energy to achieve a future with zero greenhouse gas emissions, or a net-zero future, where we remove just as much greenhouse gas from the atmosphere as we emit. ![]()
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