Richard Hull<p>This is very smart - using the warm air in underground train lines (subway, for US readers) to heat water and generate electricity for nearby properties.
🌍
<a class="hashtag" href="https://bsky.app/search?q=%23RenewableEnergy" rel="nofollow noopener noreferrer" target="_blank">#RenewableEnergy</a>
<a class="hashtag" href="https://bsky.app/search?q=%23ClimateCrisis" rel="nofollow noopener noreferrer" target="_blank">#ClimateCrisis</a>
<a class="hashtag" href="https://bsky.app/search?q=%23CarbonOffset" rel="nofollow noopener noreferrer" target="_blank">#CarbonOffset</a>
<a class="hashtag" href="https://bsky.app/search?q=%23NetZero" rel="nofollow noopener noreferrer" target="_blank">#NetZero</a>
<a class="hashtag" href="https://bsky.app/search?q=%23GreenSky" rel="nofollow noopener noreferrer" target="_blank">#GreenSky</a>
<a href="https://www.theguardian.com/environment/2025/apr/26/smart-green-thinking-four-innovative-london-council-carbon-offset-projects" rel="nofollow noopener noreferrer" target="_blank">www.theguardian.com/environment/...</a><br><br><a href="https://www.theguardian.com/environment/2025/apr/26/smart-green-thinking-four-innovative-london-council-carbon-offset-projects" rel="nofollow noopener noreferrer" target="_blank">‘Smart, green thinking’: four ...</a></p>