Some people do not believe the Earth is warming. 
Most scientists agree the Earth is warming. 
Most scientists agree the Earth is warming. This warming is caused by human actions. 
People use different ways to spread doubt. Some use "cherry picking." This means they pick only small bits of data. They use these bits to hide the big truth. This can make it look like scientists are still fighting. But most scientists actually agree.
Some groups have helped spread this doubt. Large oil companies and political groups have been part of this. In the 1970s, some oil companies saw the truth. Later, they began campaigns to spread wrong ideas. This makes it hard for leaders to make new laws. It also makes it hard for people to act. 
Climate change denial is a way of rejecting scientific facts. Most scientists agree that the Earth is warming. They also agree that human actions cause this warming.
People use many different tactics to spread doubt. One common way is called cherry picking. This means picking small bits of data to hide a bigger truth. 
This movement has a long history. In the 1970s, some oil companies actually agreed with climate scientists. However, they later began organized campaigns to spread disinformation. 
Many different groups have been involved in these efforts. The fossil fuels lobby is often linked to this work. This includes groups like the Koch brothers and various think tanks. 
There is also a big debate about the words we use. Many people call themselves climate skeptics or contrarians. 
Climate change denial is a form of science denial. It involves rejecting or disputing the extensive evidence for anthropogenic global warming. Anthropogenic warming is the warming caused by human activities. This denial challenges the scientific consensus, which is the widespread agreement among experts.
Denial can take several different forms or stages. Some people are trend skeptics. They claim that no significant warming is actually taking place. Others are attribution skeptics. These individuals accept that the Earth is warming. However, they claim that natural processes are the cause rather than humans. 
Denialists use specific methods to spread doubt and misinformation. One common method is called cherry picking. This involves selecting small bits of data to support a claim. 
This movement has a deep history involving industrial and political interests. In the 1970s, some oil companies published research that agreed with climate scientists. However, for several decades since then, they have organized systematic denial campaigns. This strategy aims to seed public disinformation. Some experts compare this to how the tobacco industry acted. The tobacco industry organized denial regarding the hazards of smoking. Both industries used similar tactics to undermine public trust in science.
Many specific groups have been linked to these efforts. The fossil fuels lobby has been identified as supporting these campaigns. This includes the Koch brothers and various industry advocates. In the United States, ultraconservative think tanks are also involved. Research shows that more than 90% of papers skeptical of climate change come from right-wing think tanks. 
There is also a major debate regarding the terminology used to describe this phenomenon. Many people use the terms "skeptic" or "contrarian." However, scientists argue that true skepticism is a required part of the scientific method. Scientific skepticism involves constant questioning to find the truth. 
Because of this confusion, many news organizations have changed their rules. The Associated Press updated its stylebook in 2015. It advised using terms like "climate change doubters" instead of "skeptics." This helps distinguish between people who question specific details and those who reject mainstream science. Other groups, like The Guardian, now prefer the term "climate science denier." These changes aim to provide more accurate descriptions of the conflict between denialism and scientific reality.
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