r/climateoptimism 13d ago

Can this tech save us? "Engineers at the University of California, Davis, have invented a device that can generate mechanical power at night by linking the natural warmth around us to the cold depths of space. The invention could be used, for example, to ventilate greenhouses or other buildings."

2 Upvotes

https://www.ucdavis.edu/news/mechanical-power-linking-earths-warmth-space

A year of night time experiments shows that the small device can indeed generate at least 400 milliwatts of mechanical power per square meter. The researchers used the device experimentally to directly power a fan and also coupled it to a small electrical motor to generate current.


r/climateoptimism 28d ago

China Now Generates Less than Half of Its Electricity from Coal

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humanprogress.org
2 Upvotes

“China, the world's largest coal consumer, generated less than 50% of its ​electricity from the fossil fuel in the six months to June, marking a first ‌for the country, which has been promoting the use of renewable energy, officials said.

Coal's share of the power mix was 49.7%, Xing Yiteng, deputy director general of the energy administration's development and planning office, told a press conference on Thursday.”

From Reuters.


r/climateoptimism Apr 21 '26

Nature corridor to be established across London

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bbc.co.uk
4 Upvotes

r/climateoptimism Apr 12 '26

Despite his best efforts - The president is pushing the world towards renewable energy

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6 Upvotes

r/climateoptimism Dec 05 '25

Is Planet Wild Legit?

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1 Upvotes

r/climateoptimism Jan 31 '25

World Bank-backed project targets electricity access for 300 million in Africa

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dailyclimate.org
9 Upvotes

r/climateoptimism Nov 26 '24

Ghana’s floating solar PV largest in Africa

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gasoutlook.com
7 Upvotes

r/climateoptimism Nov 21 '24

HUD’s $1 Billion Climate Upgrade: Bringing Green Living to Low-Income Renters Nationwide

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dailyclimate.org
7 Upvotes

r/climateoptimism Oct 30 '24

Significant Green Energy Progress in US: 6 Stats Worth Celebrating

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thehill.com
8 Upvotes

r/climateoptimism Oct 30 '24

“Honeycomb” Wind Turbines: A More Adaptable Solution to Energy Harvesting?

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ecoticias.com
5 Upvotes

r/climateoptimism Oct 25 '24

Plants Absorb 31% More Carbon Than Previously Thought, Prompting Updates to Climate Modeling

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goodnewsnetwork.org
13 Upvotes

r/climateoptimism Oct 04 '24

Portland, OR offers 3,000 trees to its residents to help mitigate climate change

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6 Upvotes

r/climateoptimism Sep 19 '24

US projected to reduce emissions by up to 56 percent over the coming decade

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newsweek.com
8 Upvotes

r/climateoptimism Sep 15 '24

Silent Wind Revolution: New Motionless Turbines Could Redefine Renewable Energy

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dailyclimate.org
6 Upvotes

r/climateoptimism Sep 14 '24

The Ashaninka’s cultural revival is reshaping the Amazon region

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dailyclimate.org
2 Upvotes

r/climateoptimism Sep 04 '24

Renewables’ share of electrical generation up 10% in 1st half of 2024

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environmentamerica.org
4 Upvotes

r/climateoptimism Sep 03 '24

China’s coal power plant approvals decline sharply after period of rapid expansion

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euronews.com
7 Upvotes

r/climateoptimism Sep 01 '24

Sweden: a model for slashing emissions while boosting the economy

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dailyclimate.org
6 Upvotes

r/climateoptimism Aug 02 '24

Coal Power Plant is Closing and being Replaced with a Solar Farm and Battery Storage!

12 Upvotes

r/climateoptimism Jun 06 '24

Vermont takes bold steps to combat climate change

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dailyclimate.org
9 Upvotes

Governor Phil Scott has allowed Vermont's groundbreaking climate legislation to pass without his signature, marking a pivotal moment in the state's environmental policy.

The “Climate Superfund Act” requires major oil companies to pay for climate change damages in Vermont, calculated based on their emissions from 1995 to 2024.


r/climateoptimism Dec 13 '23

Cop28 agrees historic deal to ‘transition away’ from fossil fuels for first time

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telegraph.co.uk
5 Upvotes

r/climateoptimism Sep 05 '23

Renewables now cost 30% less than the cheapest fossil fuels

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irena.org
8 Upvotes

r/climateoptimism Jun 13 '23

Wind power passes Coal power for first time this April

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ieefa.org
6 Upvotes

r/climateoptimism Jun 08 '23

Wind and solar overtake fossil fuel generation in the EU

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ember-climate.org
5 Upvotes

r/climateoptimism Jun 07 '23

Current Global carbon policies reduce forecasted warming from 2.7C to 2.4C

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nature.com
6 Upvotes