Green Hydrogen Emerges as a Crucial Alternative for Global Energy Transition

Written by Sara Aquino

Published on 05/05/2025 at 20:32

Updated on 05/05/2025 at 20:33

Foto: Canva

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Considered One of the Pillars of the Sustainable Future, Green Hydrogen Gains Protagonism in Countries with High Renewable Energy Generation Capacity.

Green hydrogen has been consolidating itself as one of the most promising bets in the race for global decarbonization. Produced from water electrolysis — a process powered by electricity generated from renewable sources such as solar and wind — this gas is highly energetic and, unlike traditional options, does not produce carbon dioxide (CO₂) emissions.

This characteristic makes it a key player in the so-called energy transition, which seeks to replace fossil fuels with sustainable solutions that have a low environmental impact.

Clean Energy for Hard-to-Electrify Sectors

Although electrification is a trend in sectors like urban transport and light industry, segments such as steelmaking, aviation, maritime transport, and fertilizer production still face significant technical barriers to abandoning fossil fuels.

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Economic Opportunity for Countries with Abundant Renewable Energy

Nations with high renewable potential, such as Brazil, Australia, and countries in North Africa, are seeing in green hydrogen a new frontier for energy exports.

In Brazil, the highlight is the Northeast, where large-scale projects are being planned in port areas with infrastructure aimed at export.

This new production chain not only attracts investments but also boosts technological development and the generation of green jobs.

Challenges to the Expansion of Green Hydrogen

Despite the optimism, green hydrogen production still faces significant obstacles.

The main one is cost: currently, the electrolysis process costs two to three times more than conventional methods that use fossil fuels.

High prices of electrolyzers and the need for a constant and affordable supply of renewable energy are the main reasons for this difference.

Another bottleneck is the lack of infrastructure. Few countries have pipelines, fueling stations, and proper logistical systems for the transportation and storage of hydrogen.

The gas is highly flammable, requiring strict safety standards and operational protocols.

There is also a lack of global regulatory standardization: to ensure traceability and environmental certification, it will be necessary to establish international norms for origin and sustainability.

Paths to Make the Fuel of the Future Viable

According to the International Energy Agency (IEA), more than 40 countries have already implemented national strategies to develop low-carbon hydrogen production chains.

Private companies and industrial consortia have also been heavily investing in the technology, partly due to growing pressure for climate neutrality targets and the demand for cleaner energy solutions.

To make green hydrogen a reality in everyday society, it will be crucial to integrate robust public policies, tax incentives, investment in research and development, and the creation of efficient regulatory frameworks.

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Green Hydrogen Emerges as a Crucial Alternative for Global Energy Transition

Considered One of the Pillars of the Sustainable Future, Green Hydrogen Gains Protagonism in Countries with High Renewable Energy Generation Capacity.

Clean Energy for Hard-to-Electrify Sectors

Economic Opportunity for Countries with Abundant Renewable Energy

Challenges to the Expansion of Green Hydrogen

Paths to Make the Fuel of the Future Viable

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Green Hydrogen Emerges as a Crucial Alternative for Global Energy Transition

Considered One of the Pillars of the Sustainable Future, Green Hydrogen Gains Protagonism in Countries with High Renewable Energy Generation Capacity.

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Economic Opportunity for Countries with Abundant Renewable Energy

Challenges to the Expansion of Green Hydrogen

Paths to Make the Fuel of the Future Viable

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Seven world powers including the US, China, and Russia are spending €22 billion on a reactor in the south of France that aims to confine plasma at 150 million degrees Celsius, ten times the temperature of the Sun’s core, using a magnetic field capable of lifting an entire aircraft carrier.

With a wingspan of 152 meters, 76 tires, and a capacity to carry 1,270 tons, the Boeing Pelican was the giant “flying ship” that promised to cross oceans close to the water on an invisible air cushion beneath its wings.

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While countries spend billions to draw water from the sea, a Nobel-winning scientist creates a container-sized machine that extracts up to 1,000 liters per day from dry air and uses ultrasound to release water in minutes, even in the middle of the desert.

After 16 years and almost 600 prototypes, a Chinese inventor unveils the world’s smallest and cheapest manned jet, at just 3.80 meters long and costing US$7.2 thousand in materials.

Belgium will sink 23 giant concrete caissons, each weighing 22,000 tons, in the North Sea to build the world’s first artificial energy island 45 km off the coast, forming offshore electrical walls.

Saudi Arabia is building in Oxagon a US$ 8.4 billion mega green hydrogen plant with 4 GW of solar and wind energy, 5.6 million solar panels, and capacity to produce 600 tons per day, transforming the desert into one of the planet’s largest clean fuel factories.

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