Photo of a shaded Seattle street
Cutting the high cost of urban shade
Urban heat islands are caused by too many buildings and not enough green space. Accordingly, a natural solution is to add greenery back into cities.
Global warming

Low-Carbon Grid, High-Carbon Highways

The bulk of Washington and Oregon’s carbon pollution comes from transportation. We've got (mostly) clean electricity—now let's electrify everything, including cars and trucks.

ClimateCast logo over map of world temperatures

Paris pact nears ratification, summer breaks heat record

New carbon math says climate goals can’t be met if humanity burns all the oil, gas, and coal in existing wells and mines, let alone develops new ones—and more news of the week in climate and clean energy.

ClimateCast logo over artist's rendition of electric bus

Clean energy grows, makes fossil power less profitable

Worldwide electric car sales up 49 percent in first half of 2016, designers develop wearable solar cells, Canada to set a minimum national carbon price, and more news of the week in climate and clean energy.

Thousand-year dreaming: floods tell a climate story

Even as drought and wildfire threaten agriculture, wildlife and air quality, other regions across North America are suffering the effects and aftereffects of intense flooding. As with wildfire, extreme flooding is also a story we must tell in the context of human-caused climate damage.

ClimateCast logo over shot of President Barack Obama shaking hands with UN Secretary-General Ban ki-Moon

US & China ratify Paris pact, Dakota oil protest heats up

Grid in the eastern US could accommodate 30% renewable power, ‘sunny day’ coastal flooding already commonplace, UN body drafts rules to limit airline emissions, and more news of the week in climate and clean energy.

ClimateCast logo over powerlines at sunset

Solar marks new low price, US gets first offshore wind

US finalizes fuel economy standards for big trucks, Louisiana floods made more likely by global warming, Washington rolls out smart grid pilot projects, and more news of the week in climate and clean energy.

ClimateCast logo above sunset clouds and PV panels

Montana coal plant Colstrip will close two units by 2022

Canada to enact national carbon price this year, Pacific island nations draft treaty to end fossil fuel extraction, Nevadans will vote whether to restore net metering, and more news of the week in climate and clean energy. 

ClimateCast logo over image of house on eroding island

CA meets solar goal early, India signs for 1 GW of PVs

100-MW battery outcompetes a natural-gas peaker plant in LA, Germany replaces feed-in tariffs with clean power auction, Chinese automaker unveils solar car, and more news of the week in climate and clean energy.

ClimateCast logo above silhouette of man in front of solar panels

North American grid to be 50% carbon-free by 2025

Solar prices fall 8 percent in first half of 2016, Oakland rejects coal export proposal, California plans for a future without baseload power plants, and more news of the week in climate and clean energy.

Kids are key to our climate future

Thanks to St. Thomas School for supporting us through your 2016 Walkathon. When we visited to talk climate with you, you inspired us.

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The tyranny of uncertainty

Submitted by KC Golden on

EPA Administrator Scott Pruitt (and other oil industry apologists) show resilience and adaptability...in their attempts to deny the urgency of responding to climate change. 

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