A Belgian-African company operating in Burkina Faso is planting trees to help curb desertification and open up lands for grazing cattle and farming. The project by the company, Hommes et Terre (Men and Earth), is taking place in Burkina Faso’s dangerous conflict zones where expanding desertification is a cause for strife. Henry Wilkins reports from Ouagadougou.Camera: Henry Wilkins       …

The U.S. intelligence community has reportedly told President Joe Biden that it has not reached a definitive conclusion after reviewing available information on the origins of the COVID-19. The pandemic has sickened more than 213.2 million people around the globe since late 2019 and killed more than 4.4 million, according to the Johns Hopkins Coronavirus Resource Center. President Biden ordered the nation’s intelligence agencies in May to deliver a report within 90 days on whether the virus, which was first detected in Wuhan, China, was the result of an animal-to-human transmission …

The U.S. Department of Energy on Tuesday announced a new kind of climate observatory near the headwaters of the Colorado River that will help scientists better predict rain and snowfall in the U.S. West and determine how much of it will flow through the region. The multimillion-dollar effort led by Lawrence Berkeley National Laboratory launches next week. The team has set up radar systems, balloons, cameras and other equipment in an area of Colorado where much of the water in the river originates as snow. More than 40 million people depend …

Geologists on Tuesday said they had detected a swarm of earthquakes at Hawaii’s Kilauea volcano, though it is not erupting.  The quakes began overnight and continued into the morning, the Hawaiian Volcano Observatory said.  More than 140 earthquakes were recorded as of 4:30 a.m. The largest was magnitude 3.3. Most were less than magnitude 1.  At the same time as the swarm, scientists recorded changes to the ground surface of the volcano. That may indicate magma was moving beneath the south part of Kilauea’s caldera, the observatory said. There’s been no evidence of lava …

A new study finds the number of people with hypertension has doubled over the last 30 years to 1.28 billion, mostly in developing countries.  The study led by Imperial College London and the World Health Organization is the first comprehensive global analysis of trends in hypertension prevalence, detection, treatment and control.Data from more than 100 million people aged 30 to 79 in 184 countries showed that more than 700 million people with hypertension, a life-threatening illness, go untreated. Most do so because they are undiagnosed and do not know they have this condition.Bente …