India, on track to become the world's most populous country, gets about 70% of its electricity from coal. But the government is aggressively investing in renewable energy — particularly solar.
The nanosatellites will observe the health of the land to help people make the best use of their countries' natural resources. A growing number of African countries are venturing into space.
This year, Chima Williams of Nigeria was a winner of the Goldman Environmental Prize for his activism, targeting Shell for an oil spill in his homeland. Here's how the case went.
November 19 is World Toilet Day, created by the U.N. in 2013. At issue: Billions of people do not have access to a safe toilet. But how do you get the world to pay attention to this forgotten problem?
In Chad, one of the continent's poorest countries, rising food and fuel prices — and drought — have left many hungry and unable to afford the limited food that is for sale.
New research points to a surprising way to stop spillovers of Hendra virus, which is harbored by bats. It's not often that it jumps to horses, then humans, but when it does, the result are brutal.
Sometime today, the global population is forecast to hit 8 billion. The U.N. calls it a milestone for humanity, made possible by advances in public health and medicine. But there are also challenges.
Readers responded with moving stories of past journeys and crises — and keepsakes that remind them of their roots and tie them to their family. Here's a sampling of replies.
The group Swayam Shikshan Prayog, which will be recognized today at the U.N. COP27 summit, focuses on the restoration of livelihoods, especially for women, amid the negative impacts of climate change.
Since the outbreak began in September, eight children have died — and there is no approved vaccine. But doctors are hopeful that public health measures may be enough to stop the spread.
A study found that giving direct food support to women and girls in sub-Saharan Africa cut their risk of contracting HIV by 64%, because it alleviated the pressure to engage in high-risk sex.
Several crises in the country — including political instability, COVID and financial collapse — have created deteriorating conditions that have allowed the bacteria to spread.
A promising, less labor-intensive perennial rice is beginning to take off in China, but whether this success can be replicated in other crops like wheat or corn remains to be seen.
Life or death in this country's only specialized clinic depends on how fast people can make the arduous trip to get there and the number of doses on hand.
She and her daughter carried one small suitcase for toiletries, clothes and shoes. But she made sure she had room for a few items with deep sentimental value.