Ammonia from massive penguin guano deposits reacts with sulfur gases to form aerosol particles, seeding clouds over Antarctica. Measurements near a 60,000-strong Adélie colony showed ammonia levels 1,000× above baseline, triggering fog and cloud droplets that may help cool the surface.
(c) Rethinktwice/Pixabay CC0

Bike lane, epektibo sa pagpapadami ng riders at pagbawas ng emisyon

MONGABAY

Ang protected bike lanes ay nakadagdag ng 21–171% sa bilang ng riders sa lungsod. Binabawasan din ang CO₂ emissions at aksidente sa daan. Sa Bogotá, 22,000 toneladang emisyon ang natitipid kada taon dahil sa network ng bike lanes.

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