A new era doesn't come from nothing. New thoughts, values and methods will be established after overcoming various hurdles on the way.

Blockchain is an innovative technology with the power to change society and is gaining the world's attention as a technology to enhance the competitiveness of the urban economy.

Seoul will build more resource recovery facilities and establish new recycling facilities with the aim of achieving zero landfills of domestic waste.

The access to clean air and clean water is a basic right.

Coronavirus is constantly attacking society's vulnerable classes and spaces. We must shake off the fantasy that we can go back to the past we were accustomed to.

By solving housing and childcare problems, we will achieve a society where each person can properly invest in their development and realize their full potential.

By applying blockchain technology to voting platforms, we can prevent tampering with online voting, which will increase confidence in the voting results of voters and residents in Seoul.

Seoul strives to make an environment that is safe for foreign residents and also where they can succeed as well.

I published a thesis about animal rights when I was studying in England in 1991. Back then, I was a human rights lawyer and people condemned me for talking about animal rights when human rights are still not guaranteed. However, human rights are guaranteed in a society where animal rights are secured.

Seoul citizens are becoming the owners of solar power plants by directly participating in solar generation through installation of mini solar photovoltaic, energy cooperative activities, or raising solar funds.

When we travel to other countries, the Internet speed is so much slower. So I think in terms of technology, 5G and Internet speed, Korea has an absolute advantage over other countries.

The parties are all trying to reinvent themselves. I believe this upheaval is destined to take the country's fate into a different direction.

If we discover niche services that have been overlooked in our society, we can create many jobs for the unemployed, retired and young people.

Humans can't live independently. We should work together and dream together.

Seoul will strictly limit the total greenhouse gas emissions from buildings and expand the construction of zero-energy buildings.

I personally agree with the rights of homosexuals. But the Protestant churches are very powerful in Korea. It isn't easy for politicians.

Transparency increases credibility and accountability.