Wind turbines in cold areas typically include methods for removing and repelling ice, but those methods can waste energy. There’s a better way.
As climate change brings longer and drier summers, Canadians will face greater risks of more serious wildfires, like those that tore through neighbourhoods in Fort McMurray, Alta., in May 2016.
THE CANADIAN PRESS/Ryan Remiorz
The transition to 100% renewable energy will require a lot of land – mostly in regional Australia. This presents big challenges, and opportunities, for the farming sector.
Solar panel in Eastern part of Indonesia.
Antara Foto
Last year, renewables provided a whopping 60% of South Australia’s electricity supplies. The remarkable progress came as national climate policy was gripped by paralysis – so how did it happen?
Nearly five million homes and businesses lost power in Texas on Feb. 15, and millions remained without power throughout the week.
(AP Photo/LM Otero)
The weather-related impacts of climate change will increasingly threaten critical infrastructure in the future. Shifting electricity grids towards microgrids could help.
The unprecedented intensity of two summers of bushfires, first in the east and then in the west, offered harsh lessons for Australians. One is that some settlements must retreat from high-risk areas.
Icicles on a bush in downtown Houston, Feb. 15, 2021.
Mark Felix/AFP via Getty Images
Heat waves, droughts and deep freezes can all strain the electric grid, leading utilities to impose rolling blackouts. Climate change is likely to make these events more common.
Concrete spillway from Lake Benmore Dam in Otago, New Zealand.
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Investment in renewable electricity needs bipartisan political support and some bold decisions if New Zealand is to meet its future energy commitments.
Emissions from road transport in New Zealand have doubled since 1990, and the Climate Change Commission recommends sweeping changes to switch to electric transport options.
Using LED lights in schools can drastically reduce the rate of electricity usage and costs.
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Daniel D'Hotman, University of Oxford and Steven Hamilton, Crawford School of Public Policy, Australian National University
The end of coal-fired generation in Australia is inevitable. But the federal government can do more to ensure an orderly transition to renewables – avoiding price spikes and supporting workers.
Weak regulation and a lack of mandatory inspections have increased fire risks for the one in four homes with rooftop PV panels. Here’s what we need to do to be safer.