2024 was one of the wettest years on record, witnessing record-breaking extreme precipitation events across the globe, several of which were compound events. Extreme rainfalls were unprecedented in arid regions and parts of the Global South, with severe monsoon rains and rapidly intensifying tropical cyclones causing severe casualties and economic losses.
A team of UCLA engineers and researchers has developed a new technique to make it feel up to 10 degrees Fahrenheit cooler outside while preserving a sense of safe and open space.
Featured in Nature Sustainability, the UCLA-led study demonstrated a new way to harness radiant cooling. Instead of relying on dark and windowless spaces, such as a tunnel, to create radiant cooling that raises safety concerns for public outdoor spaces, the new approach combines water-cooled aluminum panels and see-through, infrared-reflective thin polymer film, which allows both efficient cooling and visibility—a top priority, especially for residents in urban communities.
As climate change accelerates, extreme heat events are occurring with greater intensity and frequency, threatening the safety of people who spend significant time outdoors.
Demand for air conditioning will only grow as temperatures rise, sending energy consumption soaring. But there are some interesting ways to deal with the issue, finds Graham Lawton
For a decade, scientists have believed that plants sensed temperature mainly through specialized proteins, and mainly at night when the air is cool. New research suggests that during the day, another signal takes over. Sugar, produced in sunlight, helps plants detect heat and decide when to grow.
The study shows that plants rely on multiple heat-sensing systems, and that sugar plays a central and previously unrecognized role in daytime temperature response. The findings, published in Nature Communications, reshape a long-standing view of how plants interact with their environment and could influence future strategies for climate-resilient agriculture.
“Our textbooks say that proteins like phytochrome B and early flowering 3 (ELF3) are the main thermosensors in plants,” the senior author said. “But those models are based on nighttime data. We wanted to know what’s happening during the day, when light and temperature are both high because these are the conditions most plants actually experience.”
As the push for sustainable transportation intensifies globally, a new study from the International Council on Clean Transportation (ICCT) reveals that battery-electric vehicles (BEVs) in Europe are becoming significantly cleaner at a pace faster than previously anticipated. This development comes as the continent’s electricity mix transitions toward more renewable sources, providing a profound climate advantage over traditional internal combustion engine (ICE) vehicles.
Key Findings of the Study
Released on Wednesday, the ICCT study highlights that BEVs sold in Europe today produce 73 percent fewer life-cycle greenhouse gas emissions compared to ICE vehicles. This figure marks a noteworthy 24-percent improvement from the organization’s prior estimates in 2021, emphasizing the rapid progress of BEVs as Europe enhances its renewable energy initiatives.
For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ice ages. Now, a new study published in Science Advances challenges this idea as the research team found no evidence for the presence of a massive ~1km ice shelf. Instead, the Arctic Ocean appears to have been covered by seasonal sea ice—leaving open water and life-sustaining conditions even during the harshest periods of cold periods during the last 750,000 years.
The paper is titled “Seasonal sea ice characterized the glacial Arctic–Atlantic gateway over the past 750,000 years.”
This discovery gives insights crucial for our understanding of how the Arctic has responded to climate change in the past—and how it might behave in the future.
University of Sydney researchers have harnessed human-made lightning to develop a more efficient method of generating ammonia—one of the world’s most important chemicals. Ammonia is also the main ingredient of fertilizers that account for almost half of all global food production.
The research was published in Angewandte Chemie International edition.
The team have successfully developed a more straightforward method to produce ammonia (NH3) in gas form. Previous efforts by other laboratories produced ammonia in a solution (ammonium, NH4+), which requires more energy and processes to transform it into the final gas product.
MethaneSAT was designed as a sort of check against commercial climate measurements in order to help policymakers independently verify industry emissions reports. “MethaneSAT is specifically designed to catalyze methane reductions by creating unprecedented transparency,” the mission’s website states.
EDF lists 10 mission partners credited with bringing the $88 million satellite to fruition, including BAE Systems, Harvard University, the New Zealand Space Agency, Bezos Earth Fund, Google and more. Though MethaneSAT is now out of service, mission operators say they’re still committed to turning the data they were able to collect into actionable results.
“We will continue to process data that we have retrieved from the satellite and will be releasing additional scenes of global oil and gas production region-scale emissions over the coming months,” EDT officials said. “To solve the climate challenge requires bold action and risk-taking and this satellite was at the leading edge of science, technology and advocacy. ”