Environmental Science


Today’s Facts


Video Library

Use the videos below to learn more about Environmental Science





Useful Links



Test Your Knowledge

Climate Change Quiz

1 / 5

Today's carbon dioxide levels, at more than 400 parts per million, are the highest they've been for almost a million years.

2 / 5

The rapid increase in greenhouse gases in the atmosphere has warmed the planet at a slow and steady rate.

3 / 5

Pollinators like bees and butterflies help plants .

4 / 5

Plants and trees in cities help to clean the we breathe.

5 / 5

Tree rings, fossilized bugs, and deep-sea sedimentary records are examples of proxy data used to study past climates.

Your score is

The average score is 38%

Climate Change Knowledge Test

1 / 20

What does "net zero" emissions imply for global greenhouse gas emissions?

2 / 20

The best evidence that increasing CO2 is human-caused comes from looking at different isotopes of carbon in the atmosphere.

3 / 20

Oceans regulate the Earth's temperature and provide % of the Earth's oxygen.

4 / 20

What has happened to the rate of sea level rise in the last decade?

5 / 20

Climate change is impacting every ecosystem across the globe, from high mountains to the deep ocean.

6 / 20

What percentage of ocean species could be wiped out if oceans hit pH 7.8?

7 / 20

An increase in average temperatures also leads to increases in extreme temperatures.

8 / 20

How much more potent is nitrous oxide as a greenhouse gas compared to carbon dioxide?

9 / 20

What is the significance of the "brief and rapidly closing window" for global climate action?

10 / 20

Benita Casey?

11 / 20

Researchers suggest that wildfire season could be prolonged due to climate change.

12 / 20

How does Bill Nye summarize the main takeaway about climate change?

13 / 20

Climate impacts affect men and women equally, as they have the same roles and responsibilities in society.

14 / 20

Less than 100 million people worldwide rely on the ocean as their primary source of protein.

15 / 20

How much has sea level risen in the last century, according to the sources?

16 / 20

Current climate policies and pledges are going far enough in speed and scale to address climate change effectively.

17 / 20

Climate change is a global issue that affects only the environment, not health or jobs.

18 / 20

What is the major threat along the Eastern Seaboard and the Gulf Coast due to climate change?

19 / 20

Entire nations like the Islands and {blank_2} could become uninhabitable as islands are submerged.

20 / 20

Rain gardens help soak up and filter water.

Your score is

The average score is 25%