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The Science of Climate Change

Climate change is no longer a distant threat or just a possibility, it is now a reality for all of us. In this pathway, Kevin Trenberth, a renowned climatologist, delves into the science behind climate change. He first introduces the climate system, its main components and forces.

Tackling the Plastic Crisis

Plastic pollution is by far the biggest threat to our oceans and this remains an incredibly tough problem to solve. Plastic credits could potentially serve as one of the much needed solutions for this crisis.

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The Scale of the Net Zero Challenge

The price of meeting net zero is estimated to be between $100-150 trillion over the next 30 years. Regardless of this cost, we need to reach net zero before climate change does irreversible damage to the environment and the economy.

ESG, Sustainability and Impact Jargon Buster

ESG, sustainability, impact… they all just mean green, right? Not quite. Despite being used often interchangeably, there are distinct differences between these terms.

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Featured Pathways

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The Science of Climate Change

Climate change is no longer a distant threat or just a possibility, it is now a reality for all of us. In this pathway, Kevin Trenberth, a renowned climatologist, delves into the science behind climate change. He first introduces the climate system, its main components and forces.

Tackling the Plastic Crisis

Plastic pollution is by far the biggest threat to our oceans and this remains an incredibly tough problem to solve. Plastic credits could potentially serve as one of the much needed solutions for this crisis.

More pathways

Book a demo

Pricing

Ready to get started?

Plans & Membership

Our Platform

Expert led content

+1,000 expert presented, on-demand video modules

Learning analytics

Keep track of learning progress with our comprehensive data

Interactive learning

Engage with our video hotspots and knowledge check-ins

Testing & certification

Gain CPD / CPE credits and professional certification

Managed learning

Build, scale and manage your organisation’s learning

Integrations

Connect Sustainability Unlocked to your current platform

Featured Content

More featured content

The Scale of the Net Zero Challenge

The price of meeting net zero is estimated to be between $100-150 trillion over the next 30 years. Regardless of this cost, we need to reach net zero before climate change does irreversible damage to the environment and the economy.

ESG, Sustainability and Impact Jargon Buster

ESG, sustainability, impact… they all just mean green, right? Not quite. Despite being used often interchangeably, there are distinct differences between these terms.

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What is the Circular Economy?

What is the Circular Economy?

Connor Hill

15 years: Circular economy strategist

In this video, Connor Hill explores the concept of the circular economy and its importance in addressing the unsustainable nature of our current linear economy.

In this video, Connor Hill explores the concept of the circular economy and its importance in addressing the unsustainable nature of our current linear economy.

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What is the Circular Economy?

15 mins 28 secs

Overview

The linear economy is characterised by the one-way flow of resources in the linear model unlike the circular economy which has the aim of maximising resource use and minimising waste in the circular model. To understand why we need a circular economy, we need to explore the factors that led us to this point: the industrial revolution, population growth and the expansion of capitalism and growth economies. The scale of resource consumption by humans is also another factor and this can only be solved through adopting a circular approach.

Key learning objectives:

  • Understand the difference between the linear economy and the circular economy

  • Understand the factors which have led us to adopt the circular economy

  • Understand the scale of resource consumption and its impact

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Summary

What is the linear economy?

The linear economy is the conventional economic model and it follows a "take-make-waste" approach where resources are extracted, processed into products, used, and eventually disposed of at the end of their life cycle. This linear model results in a one-way flow of materials and energy, leading to significant waste and environmental degradation. 

What is the circular economy and what are its main principles?

The circular economy aims to minimise waste and maximise resource use by keeping products and materials in circulation for as long as possible. The core principles of the circular economy involve designing out waste and pollution, keeping products and materials in use, and regenerating natural systems. By adopting closed-loop systems, where resources are recycled, reused, and regenerated, the circular economy reduces the need for extracting virgin materials and minimises the environmental impact associated with production and consumption.

What are the reasons as to why we need a circular economy?

- The Industrial Revolution
- Global population growth
- Capitalism and growth economies

How is the scale of resource use and consumption affected the earth?

Humans have adopted a model of overproduction and consumption and this threatens the inevitable collapse due to scarcity of resources.

Earth Overshoot Day is the day when humanity consumes all the biological resources that Earth regenerates in a year, occurred on July 22nd in 2022. Approximately 38% of the global land is used for farming, and out of all the mammals on Earth, 96% are livestock and humans, while only 4% are wild mammals.

Each year, approximately 100 billion tonnes of resources are extracted and used from the planet. However, only 7.2% of these materials cycle back into the global economy as secondary materials at the end of their useful life.

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Connor Hill

Connor Hill

Connor Hill is a circular economy strategist, entrepreneur and changemaker. Connor has been working in the circular economy and sustainability space since 2007. He has helped create the early circular foundations for companies like Adidas, Marks and Spencer, and John Lewis. He has also launched his own companies, Reborn Circular to create circular lifestyle products and Inspire Circular to help inspire individuals and companies on how to start and accelerate their circular journeys. He has also created courses with the University of Cambridge, the University of the Arts London and others to help inspire and empower thousands of students on how they can start their circular journeys.

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