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Ask a Scientist: How Close Are We to a Clean Energy Transition?

Union of Concerned Scientists

To decarbonize the power grid, we’re going to need tons of renewable energy from sources such as solar and wind. We’re also going to need a significant amount of energy storage to save some of that renewable energy for later. So, I’m really excited about energy storage right now.

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2024 Year in Review: Clean Energy Progress Steeped in Solar and Storage

Union of Concerned Scientists

The end of every year is a great time for taking stock of what the year has broughtincluding in terms of clean energy in the power sector. As it turns out, 2024 has provided a whole lot of clean energy progress as fodder for that stock-taking. Cumulative US utility-scale battery power capacity.

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Maine Commits to 100% Clean Electricity by 2040 

Union of Concerned Scientists

Lower energy costs for homes and businesses—upward of $1,300 a year by 2040—could be coming to Maine thanks to recent legislation, cementing the state’s status among the leaders in the clean energy transition, with a firm commitment to 100% clean energy over the next 15 years.

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Why the Climate Accountability Act Matters to Me—and Wisconsin 

Union of Concerned Scientists

The bill, introduced by State Representative Supreme Moore Omokunde and State Senator Chris Larson, creates an enforceable timeline with specific objectives, allowing flexibility for discussions of the various technology and policy approaches to come later. Call me when we get to the nitty gritty!

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River of the Anthropocene

Circle of Blue

Although the Khmer Empire is long gone, the use of the Mekong river system has only increased with population growth and the advancement of technology. Cambodian Minister of Mines and Energy Keo Rattanak boasted that his country led Southeast Asia in clean energy thanks to massive investments in hydropower.

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Earth Day 2025: Embracing renewable energy for our planet

A Greener Life

2020 Earth Day went digital due to Covid-19, reaching over 100 million online viewers. 2025 The theme “Our Power, Our Planet” calls for tripling renewable energy by 2030. Municipalities like St Helens (UK), Turku (Finland), and Riverside (USA) are hosting community planning sessions on clean energy.

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COP30: Twelve environmental facts about Brazil in 2025

A Greener Life

Key updates reflect a dynamic landscape, from shifting deforestation rates in the Amazon to ground breaking initiatives in clean energy. 2020 for example, the Amazon saw its highest deforestation rate in over a decade. Source: Ember Energy , available under the Creative Commons Attribution Licence (CC-BY-4.0)

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