There are three types of climate change denier, and most of us are at least one: ABC

"Last week, amid the cacophony of reactions to Greta Thunberg's appearance before the United Nations Climate Action Summit, a group of self-proclaimed "prominent scientists" sent a registered letter to UN Secretary-General Antonio Guterres. 

The letter, headed "There is no climate emergency", urged Guterres to follow:

"…a climate policy based on sound science, realistic economics and genuine concern for those harmed by costly but unnecessary attempts at mitigation."

The group, supported by 75 Australian business and industry figures, along with others around the world, obviously rejects the scientific consensus on climate change. 

But this missive displays remarkably different tactics to those

previously used to stymie climate action.

The language of climate change denial and inaction has transformed. 

Outright science denial has been replaced by efforts to reframe climate change as natural, and climate action as unwarranted.

However, this is just another way of rejecting the facts, and their implications for us. Denial can take many forms."

Read the complete ABC NEWS article 

See also:

How the Climate Kids Are Short-Circuiting Right-Wing Media: NYT

The Guardian: We have 12 years to limit climate change catastrophe, warns UN

Urgent changes needed to cut risk of extreme heat, drought, floods and poverty, says IPCC

• Overwhelmed by climate change? Here’s what you can do

The world’s leading climate scientists have warned there is only a dozen years for global warming to be kept to a maximum of 1.5C, beyond which even half a degree will significantly worsen the risks of drought, floods, extreme heat and poverty for hundreds of millions of people.
 
The authors of the landmark report by the UN Intergovernmental Panel on Climate Change (IPCC) released on Monday say urgent and unprecedented changes are needed to reach the target, which they say is affordable and feasible although it lies at the most ambitious end of the Paris agreement pledge to keep temperatures between 1.5C and 2C.

Read the full The Guardian article

Video from CNN: Stark Warning from UN Climate PanelCC