The climate crisis today is not just a scientific or technological problem, but above all a profound a moral and existential challenge, which is testing the foundations of our civilization. The current state of the planet is alarming: research shows that seven of the eight safe and just Earth System Boundaries (ESBs) have already been crossed, including the climate, the biosphere and water supplies. At the heart of this crisis is the drastic inequality in resource consumption. While billions of people lack access to basic necessities, The richest 10% of the world's population consume as much energy as the remaining 80% of the world's population and are responsible for more emissions than the remaining 90% of humanity. That is why it is the rich and middle class in developed countries who hold the key to saving a habitable world.

The myth of the "regular" middle class

One of the biggest obstacles to taking climate action is the self-image of people in rich countries. Many see themselves as „ordinary middle-class citizens,“ but the reality of the global distribution of wealth says otherwise. Almost every member of the professional class in the developed world is among the „global rich“, which brings with it not only unprecedented responsibility, but also enormous power to act.

Media attention often focuses on the private jets of billionaires, but the vast majority of environmental impact in rich countries comes from ordinary, wealthy citizens. It is this group of people who determine social norms, consumption patterns, and political demand. Unless these „global rich“ make changes to their lifestyles, systemic transformation will not be possible.

A safe and just corridor for humanity

The scientific community defines the so-called. „"a safe and fair corridor"“, which is the space in which humanity can thrive without destroying the biophysical stability of the Earth while ensuring a dignified life for all. However, the current trajectory is taking us far outside this corridor.

The problem is that meeting the critical material needs of people living in poverty today will inevitably increase the pressure on the Earth system. Modeling shows that By 2050, the climate limit will be exceeded even if every person on the planet consumed only the necessary minimum, unless there is a radical change in systems. This leads to an inevitable conclusion: if the poor are to gain access to a dignified life, those who consume excessively must reduce and redistribute their consumption. Living within the safe and just corridor requires a combination of redistribution of resources and responsibilities.

The illusion of technological salvation vs. the necessity of restraint

Many governments and corporations rely on the „comfort story“ that innovation will solve the problem at the twelfth hour. But the physical reality of decarbonization – the need for steel, cement and energy to build infrastructure – has its limits. Technologies like carbon capture (CCS) are developing too slowly to make a significant difference. After 50 years of development, CCS captures less than a tenth of a percent of global emissions.

Real climate action therefore means restraint (restraint). Allwood and Davison from the universities of Cambridge and Oxford argue that restraint is the most realistic remaining path: use fewer materials, travel less, and change the way we heat our homes. Real change often starts with a small group of people deciding to do things differently, changing social norms and, in turn, political realities.

The moral imperative and Kantian ethics

Climate change is anthropogenic, which makes it an inherently moral issue. A basic moral principle states that we should not knowingly harm others for our own benefit.. The excessive emissions of today's wealthy generation remain in the atmosphere for decades and directly threaten the lives and health of future generations.

A powerful tool for assessing our actions is Kantian categorical imperative. Before we do anything, we should ask: Would it be safe if everyone in the world did this?. If everyone on the planet adopted a high-emission lifestyle (e.g., frequent flying or driving large fossil-fueled cars), the planet would collapse immediately. Conversely, choosing environmentally friendly alternatives, such as cycling or public transportation, is morally right because it is universally sustainable.

Responsibility of cities and companies

Cities and businesses are key actors driving anthropogenic pressure on the planet. This is where the middle class has the most influence – as employees, managers, investors and voters. Cities and businesses have the potential to initiate change much faster than national governments.

International public administrations, such as UN secretariats (UNFCCC, CBD), are increasingly seeking to „orchestrate“ non-traditional actors – cities, businesses and civil society – to create momentum that will push governments to take more ambitious steps. For example, the initiative Race to Zero is mobilizing thousands of cities and businesses to net zero emissions. The power of the wealthy middle class lies in its ability to redefine what is considered normal in society.

Legal framework and duty of due diligence

In 2025, the International Court of Justice (ICJ) issued a landmark advisory opinion confirming that States have a legal obligation to protect the climate system for present and future generations. This obligation also includes the regulation of private actors under their jurisdiction. The Court stressed that States must act with „"due care"“ (due diligence) and do everything to reduce emissions, including measures in the area of fossil fuel production and consumption.

For rich countries and their citizens, this means that reducing emissions is no longer just a voluntary choice, but a legal obligation stemming from the obligation to prevent significant environmental damage.

A change that doesn't make life worse

Climate action is not about punishment or guilt, but about honesty. Saving the planet requires a radical transformation of the economy, technology, and most importantly, our approach to consumption. The rich and middle class hold the key to this change because they have the means to be the first to change and show the way for others.

It is important to realize that The things we value most in life – such as family, friends, art, and time spent in nature – are not threatened by a more responsible and restrained life.. As Professor Allwood states: „"We're not saying life has to get worse. We're saying it has to change"“. If we want to preserve a habitable world for future generations, we must recognize that our impact extends far beyond our individual footprint and that the real hope lies not in blind optimism but in courageous and conscious restraint. JRi&CO2AI 

Sources: This article draws information from materials commissions The Lancet Planetary Health–Earth Commission, the 2025 Advisory Opinion of the International Court of Justice (ICJ), philosophical analyses of the moral implications of climate change, and publications Cambridge University on the importance of restraint.