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frequently asked questions

What is climate change? How is it different to the weather?

Climate change is a change in the pattern of weather, and related changes in oceans, land surfaces and ice sheets, occurring over time scales of decades or longer. Weather is the state of the atmosphere—its temperature, humidity, wind, rainfall and so on—over hours to weeks. Climate change is a change in the statistical properties of the climate system that persists for several decades or longer—usually at least 30 years.

How are human activities causing climate change?

Human activities have increased greenhouse gas concentrations in the atmosphere.

Atmospheric concentrations of carbon dioxide (CO2), methane and nitrous oxide began to rise around two hundred years ago, after changing little since the end of the last ice age thousands of years earlier.

Particularly important is CO2. Enormous amounts of it are continually exchanged between the atmosphere, land and oceans, as land and marine plants grow, die and decay, and as carbon-rich waters circulate in the ocean.

For several thousand years until around 200 years ago, this ‘carbon cycle’ was approximately in balance and steady. Since the 19th century, human-induced CO2 emissions from fossil fuel combustion, cement manufacture and deforestation have disturbed the balance, adding CO2 to the atmosphere faster than it can be taken up by the land biosphere and the oceans.

The dominant cause of the increasing concentration of CO2 in the atmosphere is the burning of fossil fuels. Over the last two centuries, the growth of fossil fuel combustion has been closely coupled to global growth in energy use and economic activity.

Most of the observed recent global warming we’re experiencing in this climate change is a result of human everyday activities.

Source: Australian Academy of Science, 2021

What is offsetting your carbon?

A carbon offset is a project or activity that reduces greenhouse gas emissions or sequesters (captures) carbon from the atmosphere to compensate for the emissions created by your own activities. By offsetting your carbon to compensate for emissions produced in your everyday life you’re on your way to bringing your carbon footprint down to zero.

Why plant trees?

Trees extract carbon from the atmosphere as they grow, particularly in the first 40 years of their life. Mallee Collective focus the majority of their Impact Projects on planting a biodiverse mix of trees because it’s the only way to ensure that the resulting forest meets the highest standards of ecological sustainability.

On top of capturing carbon, this approach has a number of extra environmental benefits:

    • Biological diversity is improved
    • Habitat for native animals is increased and migratory routes extended
    • Salinity can be reduced
    • Water quality in catchments can be improved
    • Tree roots can bind the soil to reduce erosion

How do we select project and planting partners?

We only partner with organisations that are certified and recognised by national or international governing bodies such as Climate Active, The Gold Standard and UN Sustainable Development Goals.

Where are the trees being planted?

Currently, all of the trees from our Impact Plans are planted here in Australia. We are working with some new partners to expand our projects to other countries too – more news to come.

take action

Offset your everyday life carbon footprint.

Sign up today and trees will be planted on your behalf as well as other eco-positive projects funded. Slowing down the negative impacts our lives have on climate change and the environment.

Pick your Impact Plan and you’ll be part of the eco-positive change we collectively have.


Subscribe to our newsletter and we’ll plant one tree to celebrate. In our newsletter we share tips and tricks on how to lead a more eco-positive life and give updates on all the positive change the Mallee Collective community is having.