Global Warming - The long-term warming of the Earth's surface observed since the pre-industrial era (between 1850 and 1900) due to human activities, particularly fossil fuel burning, which increases the levels of heat-trapping greenhouse gases in the Earth's atmosphere. https://climate.nasa.gov/global-warming-vs-climate-change/

Lacto-ovo Vegetarian Diets - It includes eggs and dairy products, but not meat or fish.

Lacto-vegetarian Diets - It excludes meat, fish, poultry and eggs but includes dairy products such as milk, cheese, yogurt and butter.

Ovo-vegetarian Diets - It excludes meat, poultry, seafood and dairy products, but allows eggs.

Paris Climate Agreement - The Paris Agreement is an international agreement where states take action within a common plan to prevent the climate crisis. In order to prevent the climate crisis, it aims to limit the increase in the global average surface temperature to 2°C and, if possible, to keep it below 1.5°C. Turkey signed the Paris Climate Agreement at the signing ceremony in New York on April 22, 2016 and it entered into force in November 2021. https://wwftr.awsassets.panda.org/downloads/10_soruda_paris_anlamas_web.pdf

Pesco-vegetarian (or pescatarian) Diets - It includes fish, dairy products and eggs, but not meat.

Greenhouse Gases - Gaseous components of the atmosphere that absorb and emit radiation at specific wavelengths within the spectrum of infrared radiation emitted by the Earth's surface, atmosphere and clouds. Water vapor (H2O), carbon dioxide (CO2), nitrous oxide (N2O), methane (CH4) and ozone (O3) are the main greenhouse gases in the Earth's atmosphere. There are also man-made greenhouse gases in the atmosphere, such as halocarbons and other chlorine and bromine-containing substances. https://www.greenfacts.org/glossary/ghi/greenhouse-gas.htm

Zero Waste - Conservation of all resources through the responsible production, consumption, reuse and recovery of products, packaging and materials without combustion or discharge into soil, water or air in a way that threatens the environment or human health. https://zerowasteeurope.eu/about/about-zero-waste/

Sustainability - It means meeting the needs of today without compromising the ability of future generations to meet their own needs. In addition to natural resources, social and economic resources are also needed. Sustainability is not just environmentalism. https://www.mcgill.ca/sustainability/files/sustainability/what-is-sustainability.pdf

Vegan Diets - It excludes all animal products, including meat, dairy, fish, eggs and (usually) honey.