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The UN wants to drastically reduce plastic pollution by 2040. Here’s how

As plastic waste piles up in the world’s landfills, sewer systems and oceans, the United Nations has set a goal to reduce plastic pollution by 80 percent by the year 2040. The head of the United Nations Environment Programme discusses the upcoming negotiations.

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How to create local climate change projects with your students

Three STEM educators share best practices for tackling climate change in the classroom through project-based learning.
The challenge of tracking methane emissions and why they are higher than publicly reported
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The challenge of tracking methane emissions and why they are higher than publicly reported

The COP27 climate negotiations in Egypt put a spotlight on the problem of methane emissions, which are responsible for more than a quarter of the warming on the planet today. More countries are pledging to reduce those emissions, but methane leaks remain a serious problem. Science correspondent Miles O'Brien reports.
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Humanity ‘nowhere near’ goals to reduce emissions that cause Earth to warm, UN says

The three main greenhouse gases hit record high levels in the atmosphere last year, the U.N. weather agency said Wednesday, calling it an “ominous” sign as war in Ukraine, rising costs of food and fuel, and other worries have elbowed in on longtime concerns about global warming in recent months.

Russian invaders turn area around Ukraine nuclear plant into combat zone \
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Russian invaders turn area around Ukraine nuclear plant into combat zone \

The U.N.'s nuclear watchdog made its strongest warning yet of the possibility of an accident at the Russian-held Zaporizhzhia plant in Ukraine. The IAEA said a lack of external power and staff access to the plant made this moment critical. This week, Nick Schifrin and his team traveled to the nearby village of Nikopol and discovered Russia has turned the nuclear plant into a combat zone.
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How xeriscaping offers a water-efficient, environmentally friendly alternative to lawns

In movies, books and other media, the image of the American dream often included a lush green lawn. But some homeowners are looking to save money and minimize their environmental impact.
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