Global Climate Change – The Human Legacy

CO2 LevelsGlobal climate change is one of the most highly debated topics in recent times. Both sides make arguments to counter whether or not humans are the cause of Earth’s changes. Humans have previously caused changes to environments on the Earth like building dams, destroying forests, and over fishing areas. These changes are usually localized and don’t affect people globally.

Change happening all around the Earth on a global scale need serious investigation. Oceans are warmer, sea level is rising, arctic ice is shrinking, CO2 levels are rising, droughts lasting longer, and decreased snow cover. With all of these changes we need to figure out for sure to what extent humans have caused this crisis.

While these investigation happens it should be reasonable to put in place precautions so that we’ll have already started work on fixing the problem. Becoming less dependent on non renewable resources is a first step. Once those resources are gone they take a very long time to regenerate. Moving to sources of energy like the solar or wind and relieving some pressure off coal plants will help lower our production of heat trapping gasses.

One of the reasons opponents cite they are against switching to greener energy sources  is because that causes thousands of jobs to potentially be lost. In this case it seems ridiculous that the future of human survival should be cast aside for the security of a few thousand jobs from non sustainable industries.

Human existence is very tiny on the scale of time Earth has been around. Also, each generation of human is small on the human existence scale. This makes finding the history of Earth very difficult, but not impossible. Ice cores drawn from several locations around the Earth can give a view back as far as 800,000 years. Direct measurements of Earth’s temperatures and sea level start in the late 1800’s.

Armed with this knowledge, scientists are doing their best to understand trends and make predictions. Figuring out extinction events that have happened from the ice core gives information on what possibly makes one happen. With this data, scientists have a reason to be alarmed since we are past an extinction event to trigger based on current CO2 levels.

NASA and other sources of climate data provide this information publicly for everyone to analyze. The main problem starts happening when self-proclaimed experts or scientists specialized in other fields unrelated to climate change and don’t understand what they are looking at make claims that it’s nothing to worry about. This leads to climate change deniers using them as sources to provide support for their side and to continue to avoid doing anything to mitigate the crisis that is happening.

As humans we will always be making an impact on Earth, and our goal should be to keep that impact as small as realistically possible. Earth is the only place humans are living and if we ruin it and cause our eventual extinction, then our era is done. If we don’t progress with our future in mind then we are the only ones at fault for causing our own downfall, and that is a stupid way to go.

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