renew

Renew is a verb meaning to make something new again, restore its vigor, or resume after an interruption. It can refer to restoring an object to usable condition, updating a process, or reinitiating a period of validity. The noun renewal refers to the act or process of renewing, or to a renewed state or period. The term is widely used across everyday life, law, and policy.

The word combines the prefix re- meaning "again" with "new" and entered English in the Middle Ages; it is etymologically related to renovate and renovation.

In contracts and official documents, renewal refers to extending the term of an agreement, license, subscription, or permit; typically involves notice periods, fees, and terms set to continue for an additional period.

Renewable energy refers to energy derived from sources that replenish naturally and are not depleted with use, such as solar, wind, hydro, geothermal, and biomass. The shift to renewable energy aims to reduce greenhouse gas emissions and fossil fuel dependence. Challenges include intermittency, integration with the grid, energy storage, and upfront capital costs, though costs have fallen and policy support has grown.

Urban renewal describes programs to revitalize deteriorating areas through redevelopment, infrastructure improvements, and housing. Renewal can also refer to personal or cultural renewal, such as revitalizing traditions, institutions, or communities, often focusing on resilience and renewal of identity.