Denmark's government says it should be more expensive to buy cigarettes in the Scandinavian country and has proposed raising the price of a packet to 50 kroner (6.70 euros).
Guest columnist Matthew James Harrison spent some time on Denmark's only scheduled seaplane connection and saw the Scandinavian country from a new angle.
The Confederation of Danish Industry (Dansk Industri, DI) says that it is possible to reduce the country's climate impact while creating thousands of jobs and increasing prosperity.
Odsherred Municipality is to become the first local authority in Denmark to implement a four-day working week.
Danes donated around 2.4 million euro (£2.6 million) on Saturday for the planting of trees, in a telethon event described as the world's first to focus on the climate.
Geoffrey Kamworor, a three-time half marathon world champion, is in the Danish capital to compete in Sunday's CPH Half running event.