Yes, that is true! The climate is always changing.
Our planet is a dynamic and ever-shifting network of systems which results in the transfer of massive sources of energy, and the change-in-state of resources, between the earth, water, air and fire. Think of natural disasters such as Volcanoes, Earthquakes, Tsunamis, Hurricanes, and Lightning Storms, etc.
This webpage does not attempt to go into full detail regarding the many natural processes which take place, for the basic and common understanding is that our planet is “always changing”.
However, despite this, we do find ourselves in an increasingly complex digital world, where some of the realities of climate change have unfortunately become confused and distorted; in effect, downplaying the significance of human-related activities on the natural world in which we live. In this regard, we need to be mindful of the cumulative effects of our human populations, as we continue to disrupt and alter these natural systems and processes; at the same time as releasing harmful emissions and toxic deposits, into our increasingly polluted and vulnerable atmosphere, waterbodies, and soils.
The potential effects of increased emissions, and the ability of Green House Gases to trap and retain heat within our global atmosphere - while contributing to Climate Change - has also been well understood for over a century. Atmospheric modelling confirms that global emissions were relatively stable until the onset of the Industrial Revolution in the late nineteenth century.
Although industrialization has fueled much of the ‘growth’ we now see; the burning of Coal, plus other Fossil Fuels, has disproportionately affected the make-up of our atmosphere. Furthermore, the predicted effects of historic emissions, and the environmental effects of those emissions on our changing planet (i.e. the melting of the polar Ice Caps) are in many ways considered ‘latent’, meaning the full effects of some emissions released decades ago have yet to be realized.
But all is not lost!
What we do have on our side is the ability of humans to think big, and to apply science as a way to overcome identified issues and challenges. Think for example how, in the 1970s, concerns were raised about the effects of ozone-depleting substances (ODS) on the stratospheric ozone layer, and how this resulted in a “hole” appearing annually in the ozone layer above the South Pole. Without a functioning atmosphere, all forms of life would find it hard to survive on Planet Earth.
In response, several countries, including the United States, chose to ban the use of chlorofluorocarbons (CFCs) as aerosol propellants. The hole in the ozone layer is now understood to be reducing in size annually and is predicted to fully recover as soon as 2066.