← on nowLGR-069 · v0.1.0 · model · count dead zones: the year you were born, and now
dead zones · coastal waters too low in oxygen for animals
born 1950 40 → 700 known sites about 18× as many as when you were born.
method Diaz & Rosenberg 2008 counts by decade; Breitburg et al. 2018 for recent totals.
born 1970 87 → 700 known sites about 8× as many as when you were born.
fertilizer and manure run to the sea, algae bloom, rot, and take the oxygen with them. the count roughly doubled every decade since the 1960s.
born 1990 305 → 700 known sites about 2× as many as when you were born.
fertilizer and manure run to the sea, algae bloom, rot, and take the oxygen with them. the count roughly doubled every decade since the 1960s.
born 2010 500 → 700 known sites about 1× as many as when you were born.
fertilizer and manure run to the sea, algae bloom, rot, and take the oxygen with them. the count roughly doubled every decade since the 1960s.
live. this is the channel itself. embed it anywhere:
<iframe src="https://thetoll.earth/?channel=dead%20zones" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · dead zones"></iframe>
or the whole broadcast, every channel, the same for everyone:
<iframe src="https://thetoll.earth/?embed=1" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · on now, everywhere"></iframe>
how this number is built
- method
- Diaz & Rosenberg 2008 counts by decade; Breitburg et al. 2018 for recent totals.
- range
- 500–700+ current sites depending on definition
- confidence
- count
- weakness
- a count of known sites rises with monitoring effort as well as with pollution.
- dispute
- dispute LGR-069 · corrections are credited
- data
- channels.json (sign-in) · full entry · CC BY 4.0