What is Climate Change:
Climate change is a change in the usual weather found in a place. This could be a change in how much rain a place usually gets in a year. Or it could be a change in a place’s usual temperature for a month or season.
Climate change is also a change in Earth’s climate. This could be a change in Earth’s usual temperature. Or it could be a c
hange in where rain and snow usually fall on Earth.
Weather can change in just a few hours. Climate takes hundreds or even millions of years to change, You might know what weather is. Weather is the changes we see and feel outside from day to day where it might rain one day and at the next day it’s sunny and it might be hot one day and the next day its cool.
Climate is the usual weather of a place. Climate can be different for different seasons. A place might be most of time warm and dry in the summer while it’s cool and wet in the winter. Different places can have different climates.
There’s also Earth’s climate. Earth’s climate is what you get when you combine all the climates around the world together.
Greenhouse Gases and Climate Change:
A greenhouse gas is any gas that absorbs the infrared radiation into the atmosphere, thus holding and retaining heat into the air. The extra heat retention caused by greenhouse gases, create what is called the greenhouse effect and thus a primary contributor to global warming.
According to the Environmental Protection Agency (EPA), the most significant greenhouse gases are water vapor (H2O), carbon dioxide (CO2), methane (CH4) and nitrous oxide (N20).Out of the 4 greenhouse gases, carbon dioxide poses the highest threat to the environment. Mainly due to the fact that carbon dioxide can stay in the atmosphere for 1000s of years, and it makes up for almost 3 quarters of all greenhouse gas emissions, according to EPA.
Significant Changes in Climate
A rise in air temperature has been observed over lands, oceans, sea surface, and even the lowest layer in the troposphere. The continually rising temperatures translate into intense droughts which can cause destructive wildfires, failed crops and lower water supplies.
As temperature over the ocean surface heats up, more water evaporates and as a result, there are more floods, hurricanes, and precipitation.
In addition to the increase in temperatures, there are numerous other global changes to our climate. Arctic sea level is decreasing, glaciers are melting, sea levels are rising, humidity levels are increasing, and the amount of snow is falling.
What do all the above changes translate to?
Extreme droughts and heat, flooding, wildfires, failed crops, low water supplies, more frequent storms like tropical cyclones and hurricanes. All of which threaten our existence on this planet.
Paris Agreement on Climate Change, which was adopted at the end of 2015 and
signed by nearly 175 countries considered in April 2016 as a turning point on the issue of climate change, not because it adopt a new agreement in which all countries of the world, both developing and developed countries committed to contributing to the reduction of greenhouse gases only , but it also makes the link between climate change and sustainable development goals (SDGs)because the climate action is the thirteenth of these goals, as well as Article VI of the Paris agreement set aside that need for mechanisms to support sustainable development.
And now after Paris agreement, it’s time to change the climate change.