Royal Dutch Shell plc is vowing to appeal what it called a “disappointing court decision” after a Dutch court ruled the energy major had to reduce its carbon emissions in 2030 by 45%, sharply more than planned.

Shell has set a goal to reduce its carbon dioxide (CO2) emissions by the end of the decade by 20% from 2019 levels. It is aiming to become a net-zero emissions business by 2050, with CO2 emissions cut by 45% by 2035.

The landmark ruling by the district court in The Hague, where the supermajor is headquartered, would require Shell to reduce CO2 emissions by 45% across the entire business group, as well as those of suppliers and customers, from 2019 levels.

Appeal Likely

Shell is “fully expected to appeal” the “disappointing court decision,” a spokesperson...