#savetheplanet, line graph

Ozone Depleting Substance Emissions, 1960-2016

Finally: a climate crisis success story! Why don't we hear about the ozone anymore? And what caused the ozone-depleting substance emissions to dramatically decrease across the world?

#savetheplanet, stacked bar graph

Earth Overshoot Day (1971-2022)

Earth Overshoot Day marks the date when humanity has used all the biological resources that Earth regenerates during the entire year. When was Earth Overshoot Day in 1971? ...2022? And how has it changed over time?

line graph

Twitter’s Top Emojis Over the Course of 2020

What were the most popular emojis of 2020, and why did it change over the course of the year? Click to access the slide deck, and learn more about math & content connections.

*social justice, line graph

Homelessness Among US Veterans and the Impact of Targeted Voucher Programs

How did the US government address the major issues of homelessness amongst its military veterans? ...and what's happening now? Click to access the slide deck, and learn more about math & content connections.

*social justice, line graph

Vaping up a Storm: E-Cigarette Use in US Middle and High Schools

How many high school and middle school students are vaping? Compare data from 2011 to 2018, showing a disturbing trend.

Click to access the slide deck, and learn more about math & content connections.