Why are the images of Luke Skywalker in a Tonton and Ronald Reagan in a dinosaur part of the criticism of a Republican senator on the New Green Agreement?
Utah's Mike Lee explains his thoughts as Democrat MEP Alexandria Ocasio-Cortez defends his proposals to tackle the causes and consequences of climate change.
The Nigerian ecologist Wonne Afronolly is working hard to cleanse her town of Port Harcourt.
The researchers say 10 rivers are responsible for the deposition of 90% of the plastic pollution that ends up at sea.
One is the Niger River and Port Harcourt is in its mouth.
Ms. Afronelly told the BBC minute that the mood of the population is her biggest challenge.
Video - Reporter Dan Ikpoyi
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Star Wars and Climate Change: Two legislators have issued very different opinions on the New Green Agreement.[Full text can not be restored]
Can technology help reduce the huge amounts of food that are never consumed?[Full text can not be restored]
The train made a lot of noise in the tunnels, but the inspiration of the natural world helped to fix it.[Full text can not be restored]
Four students demand that the topic be taken more seriously in the schools.[Full text can not be restored]
The Longleat Safari Park says his project helps Koalas even after the death of an animal.[Full text can not be restored]
The BBC is investigating illegal and unsustainable fishing on the west coast of Africa to see how one of the Earth's most fertile ecosystems has been left.[Full text can not be restored]
In the Sailugemsky National Park, snow leopards have found an unlikely ally: former poachers[Full text can not be restored]
To survive in the Arctic's cold, glacier microbes have helped to develop special powers.[Full text can not be restored]
Tim Peake said the new scouting badge would help highlight different career opportunities for young people.[Full text can not be restored]
Cuvier's beaking whale was found in the Philippines, filled with 16 rice bags and several shopping bags.[Full text can not be restored]
To survive in the Arctic's cold, glacier microbes have helped to develop special powers.[Full text can not be restored]
Cities fight against air pollution, but the small capital of Mongolia is one of the worst in the world.[Full text can not be restored]
In the Philippines, Cuvier's beaking whale was found, which was filled with 16 rice bags and several shopping bags.[Full text can not be restored]
The beaches of the Indonesian island of Sumatra are covered with plastic and some of them are abandoned by local companies.[Full text can not be restored]
Thousands of people continue to live on the only 4.5 km2 large Indian island.[Full text can not be restored]
Young people around the world are worried about the effects of pollution and climate change.[Full text can not be restored]
Researchers mix cell phones to find out what valuable and rare metals are in them.[Full text can not be restored]
Teenagers around the world told the BBC how they were directly affected by climate change.[Full text can not be restored]
Fifty years after the moment of Neil Armstrong, these images show the value of photography for this mission.[Full text can not be restored]
Jack Harries will appear in court after protests against climate change.[Full text can not be restored]
The SpaceX capsule crashed after a week-long test mission on the International Space Station.[Full text can not be restored]
After his teeth Galleonsaurus was an herbivore and belonged to the family of Ornithopoda.[Full text can not be restored]
A project in Bristol tries to solve the problem of plastic containers.[Full text can not be restored]
The SpaceX capsule crashed after a week-long test mission on the International Space Station.[Full text can not be restored]
A project in Bristol connects scientists with information to solve the problem of plastic containers.[Full text can not be restored]
A potential problem with next-generation mobile technology might be more relevant to locks than I thought.[Full text can not be restored]
A team from Northwestern University has developed a wireless patch that monitors the vital functions of premature babies.[Full text can not be restored]
These BirthStrike women made the decision because they feared so much for the future of life on Earth.[Full text can not be restored]
The ISS astronauts look into the unmanned capsule, which was designed for business trips.[Full text can not be restored]
Following the death of the last Northern White Rhino, scientists are exploring new ways to bring the subspecies back to the brink of extinction.[Full text can not be restored]
SpaceX has introduced a capsule designed to transport people from the Kennedy Space Center in Florida.