How Environmentally Friendly Are “Green” Fireworks?
Fireworks are used in celebrations around the world, including Independence Day in the U.S., the Lantern Festival in China and the Diwali Festival in India….
Fireworks are used in celebrations around the world, including Independence Day in the U.S., the Lantern Festival in China and the Diwali Festival in India….
Studies have shown that SARS-CoV-2 remains active on aerosols and surfaces for between several hours and several days, depending on the nature of the surface…
Radiocarbon measurements on the remains of 42,000-year-old New Zealand kauri trees provide the basis for better calibration of geological archives of this period. The last…
Ocean warming predicted to cause a twofold increase in amplitude of rainfall fluctuations over the tropical Pacific. The El Niño-Southern Oscillation (ENSO) is the most…
Study shows sending microbes to Earth’s stratosphere, to test their endurance to Martian conditions, can reveal their potential use and threats to space travel. Some…
Most Chinese working in the cities return to work today after a 7-day national holiday of Spring Festival. The annual Spring Festival, which is also…
New method for growing cyanobacteria under Mars-like conditions. NASA, in collaboration with other leading space agencies, aims to send its first human missions to Mars…
Dust storms are one of the defining features of the Martian atmosphere. They range from microscale dust devils to global events, and greatly impact the…
Scientists have created a new method for measuring carbon fluctuations in forests; it is expected to improve the accuracy of global carbon estimates. Using ground,…
Wind energy scientists at Cornell University have released a new global wind atlas – a digital compendium filled with documented extreme wind speeds for all…
It’s clear that rising greenhouse gas emissions are the main driver of global warming. But on a regional level, several other factors are at play….
Molecular iodine, a major emission from the ocean, can quickly convert to iodic oxoacids even under weak daylight conditions. These oxoacids lead rapidly to aerosol…
Research shows reductions in aerosol emissions had slight, temporary warming impact. The lockdowns and reduced societal activity related to the COVID-19 pandemic affected emissions of…
Less traffic in first lockdown reduced air pollution but caused potentially damaging surface ozone levels to rise. Less traffic on the roads during the first…
In September, a team led by astronomers in the United Kingdom announced that they had detected the chemical phosphine in the thick clouds of Venus….
A new study tracing the sources of carbon dioxide, the most significant human-generated greenhouse gas, reveals the unexpectedly large influence of vegetation in urban environments….
Redirecting transatlantic flights to take better advantage of favorable winds at altitude could save fuel, time, and emissions. Airlines could save fuel and reduce emissions…
Around A.D. 1085, along the southern rim of Northern Arizona’s elevated Colorado Plateau, a volcano erupted, forever changing ancient Puebloan fortunes and all nearby life….