Page 52 - 2023 Sustainability Report

ENVIRONMENTAL STEWARDSHIP

Our Approach

Martin Marietta is committed to operating in an environmentally responsible and safe manner and reporting our
performance with respect to key areas of focus as well as how our sustainability practices and goals are embedded in our
corporate strategy. All aspects of our sustainability approach, including environmental stewardship, are an integral part of
Martin Marietta’s annual planning process and day-to-day business. We strive to safely and sustainably manage our
business and to pursue our economic objectives.

The Role of Our Employees, Management and Board

Martin Marietta has robust governance and oversight in Various aspects of our business are highly regulated,
place as it relates to environmental matters, including including by governmental standards and permitting
climate change-related issues. We place day-to-day requirements related to air emissions, water discharges,
responsibility for compliance with our operations waste management, noise and dust control, land use and
management and view it as an important part of our other environmental matters. It is our policy to continually
ongoing strategy. In this regard: meet and, where possible, exceed compliance with
applicable environmental laws and regulations, which in
• We have strong oversight of environmental matters at the U.S. (where almost all of our operations are conducted)
each of the Board, management and operating levels. can be stricter than in Europe or other parts of the world.
• We view sustainability as a part of our day-to-day and We also continually invest in new or upgraded equipment
long-term strategies and as a driver of our ability to and processes to maintain compliance and to outperform
create value. in building value for our shareholders. To achieve our

• We strive for continuous improvements in our environmental-related goals, we employ a full-time staff of
environmental performance and view it as an area that engineers and managers with significant expertise in
can also create business opportunities for us. environmental compliance and sustainability.
• Our stewardship programs are guided by a combination • Most hold degrees in various engineering disciplines or
of industry best practices, innovative operational environmental-related sciences, including mining and
improvements and the use of clean technologies. civil engineering, geology, biology and soil science.
• We include environmental matters in our management • Many are members of, or have leadership positions in,
discussions, goals and compensation. industry associations and hold professional certifications
that require continuing education and training.
“We view sustainability as a part of • Many are former staff of regulatory agencies or of
organizations that are dedicated to wildlife and
our day-to-day and long-term conservation, such as The Nature Conservancy.
strategies and as a driver of our • Many of our environmental professionals and operations

ability to create value.” managers are outdoorspeople with a keen interest in
wildlife and habitat conservation, as evidenced by their
active memberships in organizations such as Ducks
Unlimited, the Rocky Mountain Elk Foundation and the
Wildlife Habitat Council.

50 2023 SUSTAINABILITY REPORT