hydroponics is a method of growing plants without using soil. Instead, plants are grown in a nutrient-rich water solution that provides all the necessary nutrients for their growth.
Hybrid vehicle
Hybrid vehicle is a type of vehicle that combines two or more power sources to propel it forward.
Hybrid renewable energy systems
Hybrid renewable energy systems, also known as hybrid power systems or hybrid energy systems, are energy systems that combine two or more renewable energy sources with the goal of improving efficiency, reliability, and cost-effectiveness.
Greenwashing
Greenwashing, also called "green sheen", is a form of advertising or marketing spin in which green marketing are deceptively used to persuade the public that an organization's products, aims and policies are environmentally friendly.
Greenhouse gas emissions inventory
Greenhouse gas inventories are emission inventories of greenhouse gas emissions that are developed for a variety of reasons.
Greenhouse gas (GHG)
Greenhouse gases (GHGs) refer to gases present in the Earth's atmosphere that have the ability to trap heat and contribute to the greenhouse effect, leading to global warming and climate change.
Green supply chain
Green supply chain refers to the implementation of environmentally friendly practices and strategies within the process of sourcing, producing, and delivering goods and services.
Green infrastructure
Green infrastructure refers to the planning, development, and implementation of sustainable and environmentally friendly infrastructure systems
Green economy
Green economy refers to an economic system that prioritizes sustainable development, environmental stewardship, and the efficient use of resources.
Green cities
Green cities, also known as sustainable cities or eco-friendly cities, are urban areas designed and developed with a focus on environmental sustainability and resource efficiency.
Green chemistry
Green chemistry, also known as sustainable chemistry, is an approach to chemical design, production, and usage that focuses on minimizing the environmental impact of chemical processes and products.
Green building
Green building, also known as sustainable building or environmentally friendly building, refers to the practice of designing, constructing, and operating buildings in a way that minimizes their environmental impact and promotes resource efficiency.
Green bonds
Green bonds are financial instruments that are specifically issued to raise capital for projects or activities with environmental benefits.
Global warming
Global warming refers to the long-term increase in the average temperature of the Earth's climate system.
Global commons
Global commons refer to areas or resources that are beyond the jurisdiction of any single nation-state and are considered to be shared by all of humanity.
Global citizenship
Global citizenship refers to the concept of recognizing and embracing a sense of belonging and responsibility to the global community
Geothermal heating and cooling
Geothermal heating and cooling, also known as geothermal HVAC (heating, ventilation, and air conditioning), is a system that utilizes the Earth's natural heat to provide heating and cooling for buildings.
Geothermal energy
Geothermal energy is a form of renewable energy derived from the heat stored beneath the Earth's surface.
Geoparks
Geoparks are geographic areas recognized and designated by the Global Geoparks Network (GGN) for their outstanding geological heritage.
Fossil fuel subsidies
Fossil fuel subsidies refer to financial incentives or support provided by governments to the fossil fuel industry, which includes companies involved in the extraction, production, and consumption of fossil fuels such as coal, oil, and gas.