Australian school children should hear from both climate change scientists and climate change sceptics, a new Coalition MP believes.

Terry Young won the Brisbane-based seat of Longman from Labor at the recent election.

The small business owner says the greatest gift of being human is free choice, arguing "indoctrination of any type robs our children of this gift".

"We want our children and grandchildren to hear the theories of evolution and creation, different religions, climate change advocates and climate change sceptics," he told parliament in his first speech.

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"What we don't want for our kids is to be brain-washed with extreme left or right ideologies.

"When I hear a school principal stand up at school in assembly and say: 'If this government doesn't do anything about climate change the world will end in 2030', I get angry."

Mr Young says children should not be indoctrinated by "fear-mongering" over the climate.

"We (conservatives) simply believe that we need to look after this magnificent planet because it's the right thing to do, not because a scientist or extremist scared us into it," he said on Wednesday.

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He claims conservatives simply "get on" with protecting the planet while others just talk about it.

"Actions speak louder than words," he said.

"There are greater two word phases than global warming, climate change or climate emergency - and those two word phrases are environmental stewardship, personal responsibility and common sense."

The new MP also used his first speech to have a dig at climate activist group Extinction Rebellion, who blocked traffic in Brisbane to protest for environmental action.

"I love being a conservative and I love being part of a conservative government," he said.

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"I love the fact we don't yell or scream what we believe, our voters don't glue themselves to city streets, instead, we go about our business quietly and efficiently."

Mr Young said the electorate of Longman has 12,000 small businesses, and the absence of big corporate companies creates the area's sense of community.

"I won't promise you perfection, but I promise you that you will get 100 per cent of me. I will fight for you with every breath," he said.

"My team and I have a mission to make Longman the best place in Australia to live and we are determined to make that happen."