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What a no-fly zone in Ukraine would mean for the U.S., NATO

What a no-fly zone in Ukraine would mean for the U.S., NATO

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10:42
Ukraine's forces fight to hold the port city of Odessa

Ukraine's forces fight to hold the port city of Odessa

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9:05
How sanctions are impacting Russia's energy sector

How sanctions are impacting Russia's energy sector

Video
4:39
Biden administration considers ban on imports of Russian oil

Biden administration considers ban on imports of Russian oil

Video
4:22
Tamara Keith and Amy Walter on a possible Russian oil ban

Tamara Keith and Amy Walter on a possible Russian oil ban

Video
8:49
In bunkers and at evacuation points, music uplifts a nation

In bunkers and at evacuation points, music uplifts a nation

Video
2:27
Ukraine’s history and centuries-long road to independence

Ukraine’s history and centuries-long road to independence

Video
8:04
UN report details the gender discrimination women still face

UN report details the gender discrimination women still face

Video
4:17
How Biden's ban on Russian oil will impact the U.S., Europe

How Biden's ban on Russian oil will impact the U.S., Europe

Video
7:40
Examining the American and NATO response to war in Ukraine

Examining the American and NATO response to war in Ukraine

Video
8:51
Biden bans Russian oil as evacuations continue in Ukraine

Biden bans Russian oil as evacuations continue in Ukraine

Video
12:23
Putin's path from the KGB to the presidency

Putin's path from the KGB to the presidency

Video
8:11
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PBS News Hour

How scientists are reducing methane from cow burps

Livestock production—primarily cows—produce 14.5 percent of global greenhouse gas emissions. The majority of that is in the form of methane, a potent greenhouse gas that is a natural byproduct of how some livestock process food. But as Christopher Booker reports, scientists are hoping that small tweaks in what cows eat can dramatically reduce a big source of climate emissions.
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