The world’s average sea level reached a new record in 2021, and the upper 2,000 m of the ocean is warming at an irreversible rate on a timescale of hundreds to thousands of years, but the pH of the open ocean (measure of acidity). Is the lowest for at least 26,000 years. The concentration of greenhouse gases will reach the highest level in the world in 2020, and the concentration of carbon dioxide, which is the main greenhouse gas that causes climate change, will reach 413.2 ppm worldwide, reaching 149% of the pre-industrial level. Did.

In this episode, Audreytan, Environmental Officer at the Straits Times, and David Fogarty, Climate Change Editor, talk to Professor Benjamin Horton, a climate scientist at Nanyang Technological University and director of the Singapore Earth Observatory, about the Earth. Discuss the role of the ocean in keeping you cool.

Highlight (click / tap above):

01:57 How important is the ocean to the climate of the earth?

03:00 Is climate behavior important if climate impacts such as rising sea levels are irreversible?

07:00 What is the impact of the warm sea?

11:55 Why is the sea more acidic?

Produced by: Audrey Tan (audreyt@sph.com.sg), David Fogarty (dfogarty@sph.com.sg), Ernest Luis, Hadyu Rahim

Editor: Hadyu Rahim

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