Economic policy of shielding domestic industries from foreign competition through tariffs, quotas, and other trade barriers.
その国は保護主義的な政策を強めている。
That country is strengthening its protectionist policies.
保護主義 (protectionism) favors shielding domestic industries from foreign competition, the opposite stance to グローバリズム's push for open global integration.
environmentalism
Compound of 保護 (protection) + 主義 (principle, doctrine). A straightforward calque from English 'protectionism'.