An international survey finds that Turkey has made improvements, but experts say structural changes are needed.
Burning low-quality coal spoils air quality and undermines EU obligations, citizens say.
The human rights commissioner urges the government to thoroughly examine excessive use of force against Gezi protesters.
Environmentalists remain vigilant as the government takes steps to increase forested areas.
The commission's future is uncertain following the ruling party's decision to walk out.
Reforms and implementation of international standards are among the latest efforts to eradicate the problem.