Category: 9. Environment

Study population characteristics

Table 2 shows the demographic characteristics of the control and case groups. The average age is 40.53 years in the case group and 40.4 years in the control group. The independent t-test showed no significant…

Ecologist Akhil Javad felt the thrill of fieldwork quickly fade when he was faced with the prospect of scaling trees over five times his height. But for some of the trees he was studying in India’s Western Ghat mountains, that was the…

An experiment is underway in Ann Arbor, Michigan, that could change how communities generate and distribute power in the future.

The city, with voters’ strong support, is launching its own sustainable energy utility. This new utility…

Green sea turtles are adjusting their nesting habits in response to rising global temperatures. Individual females are laying their eggs earlier in the season to cope with warmer conditions, researchers report in the February…

The ozone layer over Antarctica, damaged by air pollution decades ago, has fortunately been recovering in recent years. Scientists have observed gradual ozone restoration since the 2000s, but now, one study all but confirms that this positive…

Cloud forests are strange and ghostly places — akin to coral reefs hidden high on tropical mountains. Stunted trees loom in the mist, gnarled trunks and branches crusted in moss, lichens, orchids, ferns, bromeliads and even climbing…

If the joy of seeing butterflies seems increasingly rare these days, it isn’t your imagination.

From 2000 to 2020, the number of butterflies fell by 22% across the continental United States. That’s 1 in 5 butterflies lost. The findings…

President Donald Trump’s declaration of a “national energy emergency” on his first day in office – and which he reiterated during his address to Congress on March 4, 2025 – might have seemed to echo other national emergencies, like…

Scores of wildfires broke out across North Carolina, South Carolina and Georgia in early March 2025 as strong winds, abnormally dry conditions and low humidity combined to kindle and spread the flames.

The fires followed a year of weather…

The U.S. Supreme Court has limited how flexible the Environmental Protection Agency and states can be in regulating water pollution under the Clean Water Act in a ruling issued March 4, 2025. However, the justices kept the decision…