MS-ESS3-4
Construct an argument supported by evidence for how increases in human population and per-capita consumption of natural resources impact Earth's systems.
- Humans
Eight billion people now live on Earth — a new record
The global population hit this milestone on November 15, according to an estimate from the United Nations.
- Earth
Analyze This: Wildfires are pumping more pollution into U.S. skies
Researchers wanted to study the health effects of wildfire smoke. But they realized they didn’t know where it was and how much exposure people had.
- Environment
‘Forever’ chemicals show up in students’ school uniforms
Researchers found PFAS “forever chemicals” in kids’ school uniforms and other clothing. Studies have linked these compounds to health risks.
- Climate
Warming temps could turn some blue lakes green or brown
Slightly warmer summers could cause thousands of blue lakes to become a murky green or brown, according to a tally of color in 85,000 lakes worldwide.
- Animals
Some spikes in malaria cases may be tied to amphibian die-offs
Amphibian deaths from a fungal disease may have led to more mosquitoes — and an increase in malaria cases in Costa Rica and Panama.
- Humans
What does charred ancient poop reveal about early animal-raising?
Evidence from the dung may push the onset of animal raising back 2,000 years earlier than previously thought.
- Materials Science
Laser light transformed plastic into tiny diamonds
The technique could be used to make nanodiamonds for quantum devices and other technology.
- Chemistry
Ponds made to control floods can spew climate-warming gases, study finds
Younger stormwater ponds can release more carbon in gases than they absorb, a study finds. That could aggravate global warming.
- Climate
UN report calls for two-pronged approach to slow climate impacts
The latest IPCC climate change report underscores an urgent need for action to avoid the worst consequences of global warming.
- Chemistry
A disinfectant made from sawdust knocks out deadly microbes
It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.
- Earth
Let’s learn about Earth’s secret stash of underground water
Groundwater provides drinking water to billions of people and is used to water crops worldwide.
- Earth
El volcán de Santorini erupciona más cuando baja el nivel del mar
Los datos que demuestran esta relación entre las erupciones de este volcán griego y el nivel del mar se remontan al menos a 360,000 años.
