Earth Day 2015, observed on April 22, will be the 45th anniversary of a day that's been famously marked by an effort to improve environmental consciousness, sustainability and eco-friendly economic growth.

And this year numerous companies are demonstrating confident efforts that prove they're interested in the environment.

According to the U.S. Census Bureau, renewable energy resources, (geothermal, biomass, solar, hydro, wind) has created 9.8 billion in revenue, which is a 49 percent increase from $6.6 billion in 2007. And $5 billion has been generated from electric power alone. In addition to that, there has been a definite increase in the number of recyclable material merchant wholesalers, which proves that environmental consciousness is not only important but it's valuable.

More than 50,000 people are expected to celebrate Earth Day by participating in the Clean Air Council's Run for Clean Air presented by Toyota Hybrids. The well-meaning run takes place in the Greater Philadelphia area, and presses the importance of alternative fuel and reducing carbon emission. In a press release, Toyota communicated a longstanding commitment to delivering cleaner air, sustainable practices and reusability. The family event will include kid-friendly activities, eco-friendly race swag and healthy treats.

Cargill Hazleton meat plant has opted to advertise its landfill-free status as a part of its Earth Day celebrations. The international producer of food, agriculture and financial products has decided that the plant's waste will no longer go to landfills. Instead, some items will be recycled in order to help preserve the environment and limit waste accumulation.

The service provider CenturyLink, Inc. will celebrate the day by commissioning Bloom Energy to help to provide power to their power infrastructure, thereby making it more reliable. Bloom Energy Servers uses fuel cell tech, which generates electricity "through a clean electrochemical process using air and natural gas."

According to a statement, Bloom delivers improved sustainability benefits, providing high efficiency, small physical footprint and reduced water use.

Swanson Health Products has partnered with the manufactures of natural home care products to produce eco-friendly all-purpose cleaners; window and glass cleaners; shower and tub cleaners; unscented laundry soap; and much more. The collection of cleaners contains no petrochemicals, and its only comprised of plant-based, non-polluting biodegradable surfactants.

Verizon Communications will host the 'Electronic Waste Recycling Rally' on Saturday (April 18) from 9 a.m. to 1 p.m. Partnering with Keep Grapevine Beautiful, the free rally will demonstrate the importance of recycling unwanted electronics in an environmentally conscious way. The company is closing in a goal of collecting 2 million pounds of electronic waste by the end of 2015.

Earth Week begins April 16, and continues until April 22, which is Earth Day.