Christina’s Recent Stories
World Sep 22
China, U.S. unveil separate big steps to fight climate changeThe two nations are key to success of upcoming climate negotiations in less than six weeks. A joint US-China agreement paved the way for the historic 2015 Paris accord.
Politics Apr 23
WATCH: Biden makes case for climate-friendly economic policies at leaders summitFriday's second and final day of the summit also focused on what Biden says is the need for massive investment for cleaner energy — and what he says is the economic payoff.
Politics Apr 22
WATCH: Biden opens global summit with ambitious new U.S. climate pledgeBiden made an ambitious pledge to cut by at least one-half the damaging fumes that America is pumping out. Biden said the world faces “a moment of peril but a moment of opportunity.”…
Science Dec 14
Scientists focus on bats for clues to prevent next pandemicViruses that emerge from bats are more lethal in humans than those from other species. Scientists are probing the mysteries of bat immune systems and investigating strategies to minimize contact between humans and livestock with bats and other wild animals.
Science Sep 15
World isn’t meeting biodiversity goals, U.N. report findsA new U.N. biodiversity report card highlights the decline over the past 10 years in fragile ecosystems such as coral reefs and tropical forests.
Science Sep 03
Once seen as loners, male elephants shown to follow eldersMales were long assumed to be loners because they leave their mother's herd when they reach adolescence. A study published Thursday shows that adolescent males prefer to travel along migration corridors behind older males.
Science Jun 29
Worldwide slowdown in fishing unlikely to save rare speciesThe amount of commercial fishing worldwide has dipped since the start of the coronavirus pandemic, but scientists and conservation experts say it's unclear if the slowdown will help jeopardized species of marine life to recover.
Health May 05
COVID-19 tracing apps come with privacy trade-offsMany governments eager to reopen their societies are starting to bet on smartphone apps to help stanch the coronavirus pandemic.
Science Mar 04
Hotter climate increased risk of Australia’s record fires by 30 percentThe researchers used high-resolution computer models to pinpoint how much an altered climate influences the likelihood of specific extreme wildfires, floods, droughts and heatwaves. This growing field of research is called climate change attribution. …
Health Feb 20
Can AI flag disease outbreaks faster than humans? Not quiteThe first public alert outside China about the novel coronavirus came on Dec. 30 from the automated HealthMap system at Boston Children's Hospital.