CO2 Level In Our Atmosphere is higher today than in the last 3 million years
Every Citizen around the world is experiencing extreme shifts in temperature and weather. The Noticeable Change is occurring due to the high extremely high presence of Greenhouse Gases in our Atmosphere. We are living in an era when CO2 greenhouse gas levels in the atmosphere are higher than ever before in the past 3 million years.
Our Planet Earth Existence is millions of years old but During this time, Earth average temperatures never exceeded preindustrial levels by more than 2 degrees Celsius. A Study was conducted to estimate the CO2 levels in our atmosphere and this study was based on breakthrough computer simulations of ice age onset in Earth’s past climate.
In a First, a team of researchers succeeded in using a computer simulation that fits ocean floor sediment data of climate evolution over this period of time. Researchers analysed the Ice age onset, which was the start of the glacial cycles from cold to warm and back revealed that this was mainly triggered by a decrease of CO2 levels in the atmosphere.
The analysis confirms that in today’s era the increase of greenhouse gases is happening not by a natural process but due to the burning of fossil fuels which is responsible to fundamentally changing our planet. Earth’s Global overall temperatures never meant to exceed the preindustrial levels by more than 2 degrees Celsius in the past 3 million years. the study further shows that while current climate policy is in action but if this misuse of our resources continues to follow this destructive path it would exceed the 2°C limit already in the next 50 years.
Matteo Willeit of the Potsdam Institute for Climate Impact Research, lead author of the study now published explains that “We know from the analysis of sediments on the bottom of our seas about past ocean temperatures and ice volumes, but so far there is still so much to understand in the role of CO2 changes in shaping the glacial cycles”. Willeit further added that “It is a breakthrough that and now with the help of computer simulations we can show the changes in CO2 levels were a main driver of the ice age era and together with variations of how the Earth’s revolves around the sun, the so-called Milankovitch cycles.”
The data they gathered via computers were not just simulations they compared their results with the hard data from the deep sea and surprisingly they prove to be in good agreement. The results gathered by scientists were implying a strong sensitivity of the Earth system to relatively small variations in atmospheric CO2 and this fascinating fact worried even the scientists.
It is important for Scientists to learn about studying the Earth’s past and its natural climate variability due to the fact that it held the key to understanding possible future pathways of humanity. Willeit expresses his concern saying that “It seems we’re now pushing our home planet beyond any climatic conditions experienced during the entire current geological period, the Quaternary. In the entire period which was started almost 3 million years ago and when we compare that with the human civilisation which only began only 11,000 years ago, we are seeing a massive change and the modern climate change we see in our experience is really big even by standards of Earth history.”
These Simulations calculated the effects of volcanic activities, as well as other natural occurring that may trigger a large scale greenhouse gases emission in the past. In order to save our future, scientists are learning what happened in the past.