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Dam it! Not water too

Methane Flare

Did you know that ‘clean’ hydroelectricity can also be a source of dangerous methane emissions?

According to a global synthesis of greenhouse gas emissions from reservoirs, published in April 2024, of the  51 billion tonnes of greenhouse gases emitted by people every year, three billion tonnes are from methane which escapes from water.

About one-third of this amount is release by churning water in hydroelectric turbines.

The guilty gas is mainly methane, which is dissolved in water and then released as a result of water movement – the equivalent of shaking a bottle of fizzy water.

Interestingly, some businesses see opportunity. A number of start-ups are trying to capture the methane and use it for energy.

If you have brainstorm that could help the planet, and generate a sustainable business, why not join the Betterworld Solutions project and share your ideas.


If enough businesses act, together we can slow down or help to prevent Global Warming.

A Summary of Evidence

We estimate that widespread adoption of more climate-friendly policies in industry globally, could have the equivalent impact of taking 630.5 million cars off the roads.

Real World Examples

Just a few examples where we have the know-how to do things differently and help both the environment and the bottom line.

Create your Policy

The case for a great return on investment, from water and energy savings is very clear. "Adopt an Investment Policy to Prevent Global Warming".