ஆழ்கடலில் பரவும் இருள்.. பூமியில் காலியாகும் ஆக்சிஜன்! எச்சரிக்கும் விஞ்ஞானிகள்

Due to air pollution and marine pollution, sunlight is unable to penetrate into the deep sea, and as a result, algae like phytoplankton, which produce oxygen for the Earth, are at risk of extinction, scientists have warned.