Answer:
Green marketing
Step-by-step explanation:
Green marketing is defined as the process by which a person or company promotes products that are environmentally friendly or that gives environmental benefits.
It involves processes like promotion, packaging, product modification and so on.
In the given scenario Ikea invests in solar panels and wind turbines to to supply energy to its buildings, thereby decreasing the amount of raw materials it uses in making its products and avoiding the depletion of natural resources.
This is green marketing.