I end up with lots of debris in orbit, so, I downloaded a mod and built a rocket which lets me shot them down with a laser.

Download this mod from:
http://kerbalspaceprogram.com/forum/showthread.php/6014-PLUGIN-PART-0-14-SUNBEAM-Laser-2-1

Kerbal Space Program is an Indie Game developed by Squad, download it from http://www.kerbalspaceprogram.com

Test Flying A Rocket Designed By A Child - Kerbal Space Program
Test Flying A Rocket Designed By A Child - Kerbal Space Program
Exploiting The Oberth Effect (again) in Kerbal Space Program
Exploiting The Oberth Effect (again) in Kerbal Space Program
Kerbal Space Program - Mods Mods Mods
Kerbal Space Program - Mods Mods Mods
Finding Easter Eggs In Kerbal Space Program - Part II - Duna & The Mun
Finding Easter Eggs In Kerbal Space Program - Part II - Duna & The Mun
Kerbal Space Program - Rescaled Kerbin Mod
Kerbal Space Program - Rescaled Kerbin Mod
Full Journey To The Planet Eve And Back in Kerbal Space Program
Full Journey To The Planet Eve And Back in Kerbal Space Program
Kerbal Space Program - Rods From The Gods Mod - No Longer Flawed
Kerbal Space Program - Rods From The Gods Mod - No Longer Flawed
Fifteen Kerbals, One Plane
Fifteen Kerbals, One Plane
What Does It Take To Reach Lightspeed In Kerbal Space Program?
What Does It Take To Reach Lightspeed In Kerbal Space Program?
Kerbal Space Program - Voyage to Eeloo, New Planet in KSP 0.18.2
Kerbal Space Program - Voyage to Eeloo, New Planet in KSP 0.18.2
Kerbal Space Program - The 'Secret' Space Center
Kerbal Space Program - The 'Secret' Space Center
Kerbal Space Program - So, You Want Me To Build A Space Elevator?
Kerbal Space Program - So, You Want Me To Build A Space Elevator?
Scott & His Dad Play More Kerbal Space Program
Scott & His Dad Play More Kerbal Space Program
Using a Spaceplane as a Reusable Launch Vehicle in Kerbal Space Program 0.18
Using a Spaceplane as a Reusable Launch Vehicle in Kerbal Space Program 0.18
Kerbal Space Program - Your Physics Have No Power Over Me!
Kerbal Space Program - Your Physics Have No Power Over Me!
Munwalking Lander in Kerbal Space Program
Munwalking Lander in Kerbal Space Program
Scott Flies a Spaceplane Designed By.... His Dad - Kerbal Space Program
Scott Flies a Spaceplane Designed By.... His Dad - Kerbal Space Program
Scott's First Attempt At Kerbal Space Program 0.17 - Part 1
Scott's First Attempt At Kerbal Space Program 0.17 - Part 1
Kerbal Space Program - Spaceplane Plus Mod
Kerbal Space Program - Spaceplane Plus Mod
How To Get Into Interplanetary Orbits Using The Least Amount Of Fuel In Kerbal Space Program
How To Get Into Interplanetary Orbits Using The Least Amount Of Fuel In Kerbal Space Program
Kerbal Space Program - Travelling To Other Planets - Tutorial For Beginners
Kerbal Space Program - Travelling To Other Planets - Tutorial For Beginners
The Smallest And Simplest Plane In Kerbal Space Program
The Smallest And Simplest Plane In Kerbal Space Program
Building Goonstation I in Kerbal Space Program
Building Goonstation I in Kerbal Space Program
iTiamo plays Kerbal Space Program - Episode 4: The Spacecraft Carrier
iTiamo plays Kerbal Space Program - Episode 4: The Spacecraft Carrier
How To Build an Interplanetary Rocket In Kerbal Space Program Using Only 7 Parts
How To Build an Interplanetary Rocket In Kerbal Space Program Using Only 7 Parts
Kerbal Space Program: +25 Things To Do With Your Kerbals
Kerbal Space Program: +25 Things To Do With Your Kerbals
Kerbal Space Program: 25 things to do with your Kerbals
Kerbal Space Program: 25 things to do with your Kerbals
Kerbal Space Program - 0.25 Update Preview
Kerbal Space Program - 0.25 Update Preview
KSP - Kerbals at War
KSP - Kerbals at War
The Titan Mk4 - Kerbal Space Program (modded)
The Titan Mk4 - Kerbal Space Program (modded)
Kerbal Space Program - Interstellar Quest - Episode 88 - Many Happy Returns
Kerbal Space Program - Interstellar Quest - Episode 88 - Many Happy Returns
Rescuing An Astronaut In Munar Orbit - Kerbal Space Program
Rescuing An Astronaut In Munar Orbit - Kerbal Space Program
Kerbal Space Program - UFO
Kerbal Space Program - UFO
Kerbal Space Program - Landing on Duna - v 0.17
Kerbal Space Program - Landing on Duna - v 0.17
Nerd³ Challenges! SpacePlane™ - Kerbal Space Program
Nerd³ Challenges! SpacePlane™ - Kerbal Space Program
Compilation Of Crashes, Explosions and Mishaps in Kerbal Space Program
Compilation Of Crashes, Explosions and Mishaps in Kerbal Space Program
Kerbal Space Program - Beginners Guide & Tutorial - Part 4 Orbiting the Mun
Kerbal Space Program - Beginners Guide & Tutorial - Part 4 Orbiting the Mun
Kerbal Space Program: The Glitch Device
Kerbal Space Program: The Glitch Device
Kerbal Dreamchaser
Kerbal Dreamchaser
First Orbit - Kerbal Space Program Ep #2
First Orbit - Kerbal Space Program Ep #2
Kerbal Space Program - Tutorial For Beginners 3 - Getting Into Orbit
Kerbal Space Program - Tutorial For Beginners 3 - Getting Into Orbit
Mechanical Mouse Industries - Kerbal Space Program Mod Spotlight
Mechanical Mouse Industries - Kerbal Space Program Mod Spotlight
Kerbal Space Program Movie - The Falling Star Trailer
Kerbal Space Program Movie - The Falling Star Trailer
Kerbal Space Program - Tutorial [1080p] básico en español (Órbita)
Kerbal Space Program - Tutorial [1080p] básico en español (Órbita)
Kerbal Space Program - Mods Ep.6 - Romfarer Laser System
Kerbal Space Program - Mods Ep.6 - Romfarer Laser System
Kerbal Space Program - SICK MUSTANG
Kerbal Space Program - SICK MUSTANG
KERBAL SPACE PROGRAM 16 | LAND SPEED RECORD + FIRESPITTER
KERBAL SPACE PROGRAM 16 | LAND SPEED RECORD + FIRESPITTER
Kerbal Space Program 29 | PLANE STACK CHALLENGE
Kerbal Space Program 29 | PLANE STACK CHALLENGE
KERBAL SPACE PROGRAM 23 | THE NEEDLE ROCKET
KERBAL SPACE PROGRAM 23 | THE NEEDLE ROCKET
Kerbal Space Program Career - Part 2: How To Get Into Orbit
Kerbal Space Program Career - Part 2: How To Get Into Orbit