This is a is pro-science activist shirt promoting awareness for global warming and climate change. It is also a pro-democratic, pro-liberal, and progressive politics shirt. It is perfect to wear at rallies, marches, protests, and demonstrations, or just every day.
The extinction symbol represents the threat of Holocene extinction on Earth; a circle represents the planet and a stylized hourglass is a warning that time is running out for many species. -Wikipedia
Aggrovist Apparel makes shirts for Resist, Equality, and Activist causes.