Foreign countries and international organisations hours after the powerful earthquake vowed to help those affected.
Some officials accuse the authorities of putting the health of Iranians in danger by using low-quality Chinese toxins and pesticides for growing produce.
China accounts for nearly a third of global emissions, is building dozens of new coal plants and refuses to sign international pledges. At the same time, Beijing touts itself as an environmental leader.
Coal projects have gone forward despite widespread protests on issues of land, water, pollution, unemployment and public health concerns.
Chinese fishing boats are known to intrude on international waters and use controversial methods that harm the environment and deprive locals of their livelihoods.
The Chinese companies have not lived up to their contracted responsibilities, despite being paid 8.5 times the previous rate. Piles of garbage on sides of roads are now commonplace.
A new study suggests the coal projects backed by China could lead to 30,000 air pollution-related deaths and 20,000 cases of child asthma.
The project has hired more than 500,000 citizens who lost their jobs because of the coronavirus pandemic.
The Chinese are getting rid of their dirtiest industries and installing them in countries like Pakistan where people are most vulnerable to pollution and climate change, observers say.
The Khyber Pakhtunkhwa Forest Department will distribute and plant 150,000 trees during this campaign.