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Sustainability (page 21)

FILE - In this March 10, 2010, file photo, a 25-foot harbor patrol boat passes by the 399-foot U.S. Coast Guard icebreaker Polar Star as it sits moored at a dock in Seattle. The United States' last vessel capable of breaking through the heaviest ice of the Arctic Circle, and resupplying the U.S. polar research station there, is scheduled to leave San Francisco Bay on Tuesday, Nov. 11, 2014. While Russia and China have dozens of icebreakers, opposition in Congress to funding means the U.S. has just one heavy-duty one, already a decade past its decommissioning date. (AP Photo/Elaine Thompson, File) (AP)

Andrea Thompson - Climate Central
In a Thursday, Feb. 11, 2016 photo, rare species of Hawaiian coral being used to create a seed bank grows in a tank at the Anuenue Fisheries Research Center’s coral nursery in Honolulu. Most of Hawaii’s species of coral is unlike other coral around the world in that it grows very slowly, making restoration projects for endangered reefs in the state difficult. But state officials have come with a plan to grow large chunks of coral in a fraction of the time it would normally take. (AP Photo/Caleb Jones) (AP)

Adel Heenan, Andrew Hoey, Gareth J. Williams, Ivor D. Williams - The Conversation
Tom Moffitt stands on his deck as he looks at the flood waters on Friday, Sept. 23, 2016, in Shell Rock, Iowa. Authorities in several Iowa cities were mobilizing resources Friday to handle flooding from a rain-swollen river that has forced evacuations in several communities upstream, while a Wisconsin town was recovering from storms. (Brian Powers/The Des Moines Register via AP ) (AP)

climate change: more rains

Andrea Thompson - Climate Central
In this Aug. 21, 2016 photo, a worker performs maintenance work on solar panels at a photovoltaic power station in Songxi county in southeast China's Fujian province. Solar panels are among a series of industries from steel and cement to wind turbines in which Chinese production capacity soared during the past decade's economic boom until it vastly exceeded demand. (Chinatopix via AP) (AP)

Heather Smith
FILE In this file image from video, taken Nov. 9, 2015, former Vice President Al Gore is interviewed by The Associated Press in Nashville, Tenn. (AP Photo/Alex Sanz, File)

The Associated Press

Kevin Carlin
Many join hands in prayer at Oceti Sakowin camp shortly before the decision to halt the pipeline was announced. (Charlie May)

Standing Rock Sioux Victorious

Alli Joseph
A Native American tribal flag stands atop a hill overlooking the Oceti Sakowin camp where people have gathered to protest the Dakota Access oil pipeline in Cannon Ball, N.D., Saturday, Dec. 3, 2016. (AP Photo/David Goldman) (AP)

Wes Clark Jr. at Standing Rock

Alli Joseph
President-elect Donald Trump gives the thumbs up as he arrives at the Trump National Golf Club Bedminster clubhouse, Sunday, Nov. 20, 2016 in Bedminster, N.J.. (AP Photo/Carolyn Kaster) (AP)

Justine Vanden Heuvel, Mary Jo Dudley - The Conversation
A protester holds up a mirror during a protest of the Dakota Access pipeline on the Standing Rock Indian Reservation near Cannon Ball, North Dakota (Reuters)

James MacPherson - The Associated Press
A conceptual photo of what a space solar plant might look like. (SPS-ALPHA concept and visualization provided courtesy John C. Mankins / Mankins Space Technology, Inc.)

Houston, we have power

Diane Stopyra
(Salon)

Alli Joseph
Police use a water cannon against Dakota Access pipeline protesters in the freezing cold, near the Standing Rock Indian Reservation, North Dakota, November 20, 2016 (Reuters/Stephanie Keith)

Dave Kolpack - The Associated Press
Sen. Bernie Sanders, I-Vt., center, speaks to reporters on Capitol Hill in Washington, Wednesday, Nov. 16, 2016. (AP)

Sophia Tesfaye
Bill Nye (AP/Scott Roth)

Grist Staff - Grist
(AP)

Sarah Anderson - The Conversation
FILE - In this Saturday, Nov. 19, 2016 file photo, President-elect Donald Trump gives the thumbs-up as he arrive at the Trump National Golf Club Bedminster clubhouse in Bedminster, N.J. (AP)

how donald duped the times

Rebecca Leber
An unidentified maintenance man clears snow from a walkway at Denver International Airport as a severe spring storm packing high winds and heavy, wet snow sweeps over the intermountain West forcing the cancellation of hundreds of flights, Saturday, April 16, 2016, in Denver. (AP Photo/David Zalubowski) (AP)

Andrea Thompson - Climate Central
(Getty/JodiJacobson)

Food waste — out of control

Samuel Blackstone
President-elect Donald Trump waves to a crowd in the lobby of the New York Times building following a meeting, Tuesday, Nov. 22, 2016, in New York. (AP)

Brian Kahn, Bobby Magill - Climate Central
Petitioners Gabe Mandell, 14, left, and Adonis Williams, 12, look on as an attorney speaks at a court hearing Tuesday, Nov. 22, 2016, in Seattle. Eight children are asking a Seattle judge to find Washington state in contempt for failing to adequately protect them and future generations from the harmful effects of climate change, part of a nationwide effort by young people to try to force action on global warming. (AP Photo/Elaine Thompson) (AP)

Phuong Le
This Aug. 21, 2016 photo shows a view of a photovoltaic power station in Songxi county in southeast China's Fujian province. Solar panels are among a series of industries from steel and cement to wind turbines in which Chinese production capacity soared during the past decade's economic boom until it vastly exceeded demand. (Chinatopix via AP) (AP)

Rebecca Leber
(AP)

Emily Schwartz Greco - BillMoyers.com
(Getty/Eric Piermont)

Who killed the hydrogen car?

Diane Stopyra
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