Climate change Puts Sea Turtles At Risk
You will be aware that Sea Turtles lay their eggs on land. Climate change is threatening their existence. Even though they can live up to the age of 150 years. The average is a 50-year life span.
Sea Turtles drag themselves up the beach away from the shoreline to bury eggs in the sand. Six to eight weeks later, the hatchlings dig their way up to the surface and face a perilous journey to the ocean. Seagulls and Skuas know when the hatch takes place. They wait for an easy dinner when the baby turtles surface.
The hatchlings that make it to the water are still not safe. One in One Thousand hatchlings are likely to survive.
Now a new fear has arisen. The Scientific Community and Nature Conservation bodies are in agreement. Climate change will cause rising sea levels. Add the increase in severe weather events and the outcome is clear.
The waterline will rise. The beaches will erode. These factors will destroy the nesting sites of the Sea Turtles. Then, in turn, the population will drop. There will be fewer hatchlings, yet the same number will die on the way to the ocean. And so the population dwindles. All due to climate change.
Arctic Sea Ice for 2019 Tied for Second Lowest
Arctic sea ice lowest on record, this tied with two other years, 2007 and 2016. Recording arctic sea ice levels began in 1970. This tells you that scientists must have been aware of climate change for 50 years.
What is the Artcic Sea Ice?
Arctic sea ice is a vast area of seawater that is frozen and floats on the Arctic Ocean.
It grows each year in the Northern winter and shinks again in the 6 months of Arctic summer.
Historical data now shows that the ice area is less across both seasons in the Arctic. This affects the ecology of the area as a whole. More icebergs are now freed from the main body of ice. Weather patterns change and the ocean currents alter.
A quote from climate change senior scientist Claire Parkinson. “This year’s minimum sea ice extent shows that there is no sign that the sea ice cover is rebounding.” This means that the ice amounts will continue to deplete.
Rising ocean levels will contribute to changes in weather patterns.
Ice melts every summer. We all know that. But the changes in climate mean the ice does not recover fully in the freeze season.
As the 2019 Arctic sea ice lowest on record data shows, we are gripped in a constant loss of ice. Coupled with rising temperatures, extreme weather events will become more frequent.
Information sourced from NASA
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Mammoth Tusk found by australian geologist
The Mammoth Tusk was found by an Australian Geologist known as ‘Thora The Explorer’ while holidaying in Alaska. She spotted a bit of a blue, curved object, protruding from the mud.
She soon recognised that she had found a Mammoth’s tusk. The tusk is estimated at a minimum of 10,000 years old.
The main reason that the tusk became visible is the more and more of the permafrost has melted over the last few years.
While this is a wonderful find that anyone would treasure, it is another indication that our governments need to make urgent changes to prevent more melting of the permafrost and glaciers.
The tusk had been turned blue by thousands of years of mineralisation.
Information sourced from the Bunbury Mail
Major causes of climate change
Our activities are the cause of climate change. Chopping down forests, burning coal, oil, gas, and land clearance are the main ones. When we burn these fossil fuels large amounts of carbon dioxide (CO2) get released. This CO2 accumulates in Earths atmosphere. Deforestation reduces the number of trees available to consume excess CO2.
Increases in CO2 and other greenhouse gases prevent solar radiation from escaping. This traps heat and raises the temperature on Earths surface. This is the “Greenhouse Effect.”
The greenhouse effect keeps Earth warm and habitable. Unfortunately, human activities intensify the heat causing the planet to overheat. This the “Enhanced Greenhouse Effect.”
Impacts of a warming climate
Different regions on our planet experience different effects of climate change. That is, the temperature rises at different rates depending on the region.
Many areas experience unpredictable and extreme weather events. Some become colder or drier. Others may become wetter or hotter.
Projections by the scientific community say that our climate could raise by as much as 6 in the next 80 years. Cutting carbon emissions could, at least, lessen this.
An increase of 6 is likely to affect crucial food chains and fragile ecosystems. This would result in massive rain-forest destruction. Sea levels will rise by large amounts. Ice sheets will also melt in our polar regions.
As a result, we and other life on or planet would suffer greatly.
I will look at the effects of climate change on wildlife in my next post.