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Climate change is a topic that is increasingly being discussed in today’s world, and it is essential to understand the evidence supporting the phenomenon. In this blog post, we will examine some of the key evidence that climate change is happening, including examples and references.

The first piece of evidence that climate change is occurring is the rising temperatures around the world. According to National Aeronautics and Space Administration (NASA), the Earth’s average surface temperature has risen by about 1.8 degrees Fahrenheit (1.0 degree Celsius) since the late 19th century. This increase has been particularly significant in recent decades, with the 20 warmest years on record occurring since 1981.

Another critical piece of evidence is the increase in greenhouse gases in the atmosphere. The primary greenhouse gas responsible for climate change is carbon dioxide (CO2), which is released into the atmosphere through human activities such as burning fossil fuels and deforestation. According to National Oceanic and Atmospheric Administration (NOAA), the concentration of CO2 in the atmosphere has increased by more than 40% since the pre-industrial era, reaching levels that are higher than at any point in the past 800,000 years.

The effects of climate change can also be seen in the natural world. One example is the melting of glaciers and ice sheets around the world, which is causing sea levels to rise. According to the Intergovernmental Panel on Climate Change (IPCC), global sea levels have risen by about 8 inches (20 cm) since 1880, and the rate of sea-level rise has accelerated in recent years.

Another example of the effects of climate change is the changing patterns of weather and extreme weather events, such as hurricanes, heatwaves, and droughts. According to NOAA, the frequency and intensity of extreme weather events have been increasing in recent decades, and these changes are consistent with the expectations of climate models.

The evidence of climate change is alarming, and if left unaddressed, it could have catastrophic consequences for the planet and its inhabitants. Here are some of the impending dangers that could result if we don’t take action to mitigate climate change:

Rising sea levels: As mentioned earlier, sea levels are rising due to the melting of glaciers and ice sheets. This rise in sea levels could cause flooding in coastal areas, displacement of people, and damage to infrastructure such as roads, buildings, and ports.

Extreme weather events: Climate change is contributing to more frequent and intense extreme weather events such as hurricanes, heatwaves, and droughts. These events can cause significant damage to communities and lead to loss of life.

Food insecurity: Climate change is already affecting agricultural production, leading to decreased yields and increased food prices. This could lead to food shortages and insecurity, especially in developing countries.

Biodiversity loss: Climate change is causing changes in ecosystems, leading to the loss of biodiversity and the extinction of some species. This loss could have a ripple effect on the food chain and impact human well-being.

Health impacts: Climate change is also affecting human health, contributing to the spread of infectious diseases, exacerbating air pollution, and increasing the frequency of heatwaves. These impacts could lead to increased mortality rates and a decrease in quality of life.

In conclusion, the evidence of climate change is not just something to be observed but also a warning of what is to come if we don’t take action to mitigate it. We must work together to reduce greenhouse gas emissions, protect ecosystems and biodiversity, and prepare for the impacts of climate change. Failure to act now could have dire consequences for our planet and future generations.

For more information, obtain a book copy of “The Threat to Earth” by Christopher Uchenwa, the founder of Global environmental Watch Organization (GEWO). This book provides a comprehensive overview of the current state of climate change and what you can do to address it.


NASA. (n.d.). Global Climate Change: Vital Signs of the Planet. Retrieved from
NOAA. (2021). The State of the Climate in 2020. Retrieved from
IPCC. (2019). Climate Change and Land. Retrieved from


NASA stands for National Aeronautics and Space Administration. It is a United States government agency responsible for the nation’s civilian space program and for aeronautics and aerospace research.

NOAA stands for the National Oceanic and Atmospheric Administration. It is another United States government agency that is responsible for monitoring and understanding the Earth’s environment, including its oceans, atmosphere, and weather patterns. NOAA is also responsible for managing the nation’s coastal and marine resources.

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