The structure of the global food industry is continually changing and evolving as food suppliers, manufacturers, and retailers adjust to meet the needs of consumers, who are increasingly demanding a wider variety of higher quality products. Having first-hand knowledge of consumer preferences and purchase habits, food retailers are positioned to transmit this information upstream to other segments of the supply chain. In the quest to meet consumer demands for variety, affordability, safety, and quality, the food retail sector is constantly evolving and generating innovative sale formats. In addition to the popular supermarket format, hypermarkets, discounters, convenience stores, and combined gasoline and grocery outlets have emerged in numerous countries in recent years.
Renewable energy is energy generated from natural resources, such as sunlight, wind, rain, tides and geothermal heat, which are renewable (naturally replenished). Renewable energy technologies range from solar power, wind power, hydroelectricity/micro hydro, biomass and biofuels for transportation.
Considered to be the biggest sector in the world in terms of dollar value, the oil and gas industry is a global powerhouse employing hundreds of thousands of workers worldwide as well as generating hundreds of billions of dollars globally each year. In regions which house the major NOCs, these oil and gas companies are so vital they often contribute a significant amount towards national GDP.