littlebunker

Methodically tracking the collapse. Climate data. Extreme weather. The long emergency.

CO₂ 427.3ppm

CH₄ 1934.57ppb

Δ Temp +1.48°C

Now --:--:--

CO₂ 427.3 ppm ◆ +2.5 ppm / yr ◆ CH₄ 1934.57 ppb ◆ +7.21 ppb / yr ◆ Δ Temp +1.48°C ◆ Peak +1.73°C ◆ Pop 8.1B ◆ +67M / yr ◆ CO₂ 427.3 ppm ◆ +2.5 ppm / yr ◆ CH₄ 1934.57 ppb ◆ +7.21 ppb / yr ◆ Δ Temp +1.48°C ◆ Peak +1.73°C ◆ Pop 8.1B ◆ +67M / yr ◆

CO₂

427.3ppm

+2.5 / year

CH₄

1934.57ppb

+7.21 / year

Temp

+1.48°C

Peak +1.73°C

Population

8.1B

+67M / year

Wearable devicemakers are harvesting brain data to train AI —without telling users

Nov 5, 2026 • Climate science

Science investigation reveals firms have amassed tens of millions of hours of brain wave data from neurotech headbands, and face few constraints in using it

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