Toxicity Environmental

Toxicity isn't always immediately apparent; some substances have delayed effects, meaning symptoms might not show up for hours, days, or even years after exposure. elaborate

Carbon Environmental

Carbon is the only element that can form such a wide variety of complex molecules, due to its ability to form four strong covalent bonds. elaborate

Deforestation Environmental

Deforestation contributes more to climate change than all the world's cars, trains, ships, and airplanes *combined*. elaborate

Emissions Testing Environmental

Emissions testing programs were initially spurred by the Clean Air Act of 1970 in the United States. elaborate

Waste Environmental

In the context of mathematics, a sequence can converge to a limit that's *not* part of the sequence itself. elaborate

Recycling Environmental

Recycling aluminum cans saves 95% of the energy it takes to make new aluminum from raw materials. elaborate

Pollution Environmental

Air pollution can reduce the lifespan of vehicles and other machinery due to corrosion and wear. elaborate

Microplastics Environmental

Microplastics have been found in the deepest parts of the ocean, including the Mariana Trench. elaborate

Emissions Environmental

Transportation is the largest source of greenhouse gas emissions in many countries. elaborate

Geoengineering Environmental

Some proposed geoengineering techniques, like stratospheric aerosol injection, could potentially affect the ozone layer. elaborate

Sustainability Environmental

The observable universe is only a tiny fraction of the entire universe, which may be infinitely large. elaborate

Water Environmental

Water expands when it freezes, unlike most other substances. elaborate