Invasive species cover about 10% of South Africa’s land — an area larger than Iceland. These plants don’t just squeeze out native species. They sap scarce water supplies, exacerbate flooding and burden the country’s farmers. 

South Africa is far from unique in this regard. Invasive species are found nearly everywhere and cost the global economy hundreds of billions each year. 

What sets South Africa apart is that it’s taking more ambitious steps than almost any other country to tackle these intruders. And they're working.

UN climate summits are known for setting lofty goals. There were high hopes that this year’s gathering, COP30, would lay out concrete plans to get the world on a safer track. It largely underdelivered, though some key wins shine through. Our experts unpacked the biggest outcomes from COP30 and what's needed next.

Local climate action has been largely overlooked in UN climate negotiations for the past three decades. That changed this year.

Holidays are often big moments for food waste. One estimate suggests Americans will throw away over 300 million pounds of food this Thanksgiving. Cutting this waste — not just at home, but all along the food supply chain — yields bigger benefits than you might expect.

Invasive species pose real threats to cities, while native plants can make them healthier and more resilient. Explore our interactive graphic by clicking the numbers to learn more.