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Rep. Adam Kinzinger (R-IL) pays an emotional tribute to the Capitol police officers who protected the building and those inside during the violent January 6 riot.

When the Covid-19 pandemic hit, majority of African countries were quick to respond to mitigate the impact.

After Tunisian President Kais Saied suspended Parliament, the Prime Minister he sacked now says he accepted his dismissal for the good of the country, which is struggling from a Covid-19 outbreak and worsening economic turmoil. CNN's Ben Wedeman reports.

Sharks are crucial to maintaining a balanced marine ecosystem, but populations are under threat. This South African scientist uses tracking technology to identify and protect areas that are critical to their survival.

Noise pollution has a huge impact on humans and wildlife. This grassroots movement wants to protect natural environments from manmade noise.

Recent discoveries of large-scale unmarked graves at or near the site of former indigenous residential schools in Canada are atrocities inflicted upon indigenous people including children and are a form of genocide, said the chief of a Canadian Indigenous people's First Nation group Monday.

CNN's Pete Muntean looks at the extreme weather conditions across the nation and what cities are doing to protect themselves from future weather caused by the climate crisis.

Longtime GOP pollster Frank Luntz, who is working unofficially with the Biden administration, tells CNN's Anderson Cooper the one thing the President must do to combat vaccine hesitancy is to invite Donald Trump to the White House.

Flora Duffy's win in the Olympic triathlon meant that the country she represents — Bermuda — is now the smallest in the world to win a gold medal at the Games.

CNN's John Avlon has a reality check on how forgoing Covid-19 vaccination in the name of libertarianism will end up posing risks to vaccinated people.

Jeff Bezos is offering NASA up to $2 billion in a bid to reignite the battle for space between his rocket company Blue Origin and Elon Musk's SpaceX. CNN's Kristin Fisher reports.

With new cases of Covid-19 surging in most of the US – driven by unvaccinated Americans and fueled by the highly contagious Delta variant – hospitals are bracing for another round of devastation.