Single Use Plastics
Solar Energy
Marine Pollution
Transportation
100

This common single-use plastic item is often banned at restaurants for being used only once before disposal.

Plastic Straws

100

What is the main source of energy for Earth? 

The Sun

100

Walking, biking, and taking the bus are examples of this type of eco-friendly travel that reduces emissions.

Sustainable Transportation

300

This term describes plastics designed to decompose more quickly in natural environments.

Biodegradable or Compostable Plastic

300

This country leads the world in total installed solar capacity.

China

300

A city that invests in public transit, bike lanes, and electric buses is reducing this major urban environmental problem.

Air pollution (or carbon emissions)

500

Single-use plastics are usually made from this non-renewable resource.

Petroleum or crude oil

500

Using solar energy instead of coal or oil helps lower this type of emission that causes climate change.  

Carbon dioxide (CO₂) emissions

500

For solar energy to be truly sustainable, the mining and manufacturing of this key material must become more ethical and recyclable.

Silicon