Global warming and climate changes are always on the top of major global issues. The issues are persistent and hard to combat. Of course, there have been various programs delivered to help reduce the problem. However, it is not a simple problem to solve. Global warming itself is often referred to an increase of average global temperatures. There are various reasons causing this problem such as human activities at http://22.214.171.124 as well as natural events. Those factors causes greenhouse gas emissions which make our earth suffered even more. It is not only humankind who is affected by global warming but all animals and plants living on it. The indicators to the global warming consists of humidity, air temperature especially near surface, sea levels, temperature over oceans, ocean heat content, as well as temperature over lands. When they all are increasing, it means global warming happens. On the other hand, the glaciers as well as sea ice and snow cover is decreasing at the same time. By looking at changes to those indicators, it can be known whether or not our earth is suffering from global warming. And the fact is, our planet has been suffering this issue from years ago and for years to come. Greenhouse effect is a known term which is basically quite easy to understand by simple explanation. The earth receives energy from the sun driving the weather, climate, as well as the surface’s heat. The energy is radiated back by earth into space. However, some gases such as carbon dioxide, water vapor, methane, nitrous oxide, and the other trap some of the ongoing energy. Thus, the heat is retained somehow. The principle is like the effect of the glass panels of greenhouse. Those gases are what we call greenhouse gases. Those gases causes the temperature on earth increased because they trap the energy. Why greenhouse effect can be dangerous for earth every living beings on it? Basically, greenhouse effect is natural. The greenhouse gases themselves are useful for our planet because the temperature on earth will be too cold without them. The greenhouse gases trap some ongoing energy which cause the temperature on earth to raise. However, if it is too stronger, the earth will be too hot to inhibit by human, as well as animals and plants. For example, carbon dioxide is not as potent as other greenhouses gases. However, it is the most significant gas because it is produced mostly by human activities causing environmental imbalances. Lots of people are still confused of global warming and why it is considered as one of major global issues. They are confused because in some parts of the earth, the temperature is drastically decreasing not increasing. In some other parts, heavy rain is increasing. It is caused by climate change which is also one of the issues of global warming. When our planet is getting warm, it creates consistent increasing of cold as well as other weather extremes such as heavy rain. Keep in mind that global warming and climate change not only causes our planet to overheated but also imbalanced.