Because changes in ocean systems occur over centuries, the oceans have not yet warmed as much as the atmosphere, even though they have absorbed more than 90 percent of the Earth’s extra heat since 1955.

Water reflects most solar radiation that reaches its surface back to the atmosphere. Since land absorbs more solar radiation the land surface retains more heat as do the vegetation for energy. Thus, land surfaces warm more quickly than water.

Simple physics suggests that when you put more heat into the climate system, land should warm more quickly than oceans. This is because land has a smaller “heat capacity” than water, which means it needs less heat to raise its temperature.

Land cools faster than the water . This is because of the high specific heat capacity of water that it’s needs to impart a lot of heat before cooling which requires a long duration.

THE SCIENTISTS’ EXPLANATION This means that it takes more energy or heat to increase water’s temperature than it does for most other substances. The specific heat of water is greater than that of dry soil, therefore water both absorbs and releases heat more slowly than land.

The ocean has absorbed more than 90% of the heat gained by the planet. A new study has found that the ocean has absorbed more than 90 per cent of the heat gained by the planet between 1971 and 2010.

The loss of the oceans could be delayed until 2 billion years in the future if the atmospheric pressure were to decline. Lower atmospheric pressure would reduce the greenhouse effect, thereby lowering the surface temperature. This could occur if natural processes were to remove the nitrogen from the atmosphere.

Those who believe Earth’s oceans are on an evaporation course say they have about 4 billion years left.

Each year we produce nearly 300 million tons of plastic and by 2050 there will be more of it than fish in our oceans by weight.

Nearly 1/3 of all freshwater fish are threatened with extinction. In 2020 alone, 16 freshwater fish species were declared extinct. Overfishing and invasive species are devastating freshwater fish populations and the climate crisis is especially difficult for fish that can’t tolerate changes in temperature.

According to study seafood could be extinct in the next 30 years. A study from an international team of ecologists and economists have predicted that by 2048 we could see completely fishless oceans. The cause: disappearance of species due to overfishing, pollution, habitat loss and climate change.

6 of the Healthiest Fish to Eat

1. Albacore Tuna (troll- or pole-caught, from the US or British Columbia)
2. Salmon (wild-caught, Alaska)
3. Oysters (farmed)
4. Sardines, Pacific (wild-caught)
5. Rainbow Trout (farmed)
6. Freshwater Coho Salmon (farmed in tank systems, from the US)

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