Climate action is often discussed in terms of big targets: lower emissions, cleaner energy, and climate neutrality. But targets only matter if they change behaviour in practice. That is why two less visible tools matter so much: enforcement, which makes sure rules are followed, and carbon pricing, which makes pollution carry a cost. The EU Emissions Trading System (ETS), launched in 2005, works by setting an overall emissions cap and requiring covered operators to surrender allowances for what they emit; over time, that cap is reduced, pushing emissions down.

In Malta, enforcement is part of turning those goals into practice. The Climate Action Authority (CAA) has a mandate that includes regulation, enforcement and awareness-raising, and in practical terms this means helping operators understand their obligations, checking that emissions are monitored and reported correctly, and taking action when rules are repeatedly ignored. That may sound technical, but its purpose is straightforward: to make sure climate commitments lead to real results, and that businesses following the rules are not placed at a disadvantage against those that do not.

Carbon pricing works alongside that effort. Under the ETS, companies that emit more must surrender more allowances, while those that reduce emissions face lower compliance costs. This creates a long-term signal for investment in cleaner technologies and more efficient systems, rather than treating climate policy as an abstract promise. According to the European Commission, the system has helped halve emissions in the sectors it covers since 2005, showing that well-designed carbon pricing can influence real decisions over time.

For Malta, this debate has a particular importance because geography matters. As an island, Malta depends on maritime and aviation links for the movement of people, goods and fuel, and there are no land-based alternatives to soften the impact when transport costs rise. This means carbon pricing in shipping and aviation can be felt more directly here than in larger mainland states, even while the broader climate objective remains important and shared.

That is why the discussion should not be reduced to being simply "for" or "against" the ETS. The more useful question is how to keep the system both effective and fair: credible enough to support emissions cuts, but workable enough to reflect Malta's dependence on connectivity and avoid shifting activity elsewhere without environmental benefit. In that sense, enforcement and carbon pricing are complementary. Carbon pricing sets the incentive, while enforcement ensures the same rules apply to everyone and that public trust is not lost along the way.

Looking ahead, Malta's climate transition will depend not only on new policies but on how well those policies are implemented. Clear guidance, consistent oversight and a fair application of carbon pricing will all be needed if climate ambition is to become practical progress. For the public, the message is simple: climate action is not only about setting goals, but about making sure the rules behind those goals work in everyday life.

Marie Antoinette Ellul is Head of Compliance and Enforcement at the Climate Action Authority. She leads the Authority's work on regulatory oversight and the enforcement of key climate policy instruments